NIXIE TUBE CROSS-REFERENCE DATA

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Table Notes

PART
NUMBER
1,2,3		 BRAND(S)  SUBSTITUTES4 VIEW  DIGIT
HEIGHT5		 OVERALL
DIMENSIONS5		 DISPLAYED
SYMBOLS6		 BASE & PINOUT7 OPERATING POTENTIALS8 (D.C. Volts)
CONSTANT / <MULTIPLEXED/PULSED>		 CATHODE CURRENTS8 (mA)
AVG. CONTINUOUS / <PEAK PULSE>		 NOTES
MINIMUM
SUPPLY		 MAXIMUM
IONIZATION		 TYPICAL
MAINTAINING		 MINIMUM TYPICAL MAXIMUM
<
Unknown Burroughs ?, Tungsram ?         X, (square), (circle), (triangle)               Custom made for NASA use in test and training equipment (and spacecraft?) for primates including chimpanzees and various monkeys. Possible additional symbols including horizontal & vertical bars.
Unknown Burroughs ?   End 15.5mm (0.610")   A, B, M B13B: 1e             Symbols for unknown equipment.
Unknown Harwin     20mm (0.79") 70mm (2.7") X 25mm (0.98") X 28mm (1.1") 0‑9               Incandescent edge-lit lightguide readout.
Various MUD0*   Side 14mm (0.55") 19mm (0.75") dia. X 45.1mm (1.78") tall 1‑8, LH & RH DP's Euro Grid 170 170 140 1.5 2.5 4.5 <12> Nipple top. Reverse viewable. Unusual digit style (OCR font?) Numbers listed here as part numbers are in fact production codes. No other numbers are printed on the tubes. I suspect that these are probably type ZM1012.
Various (incl. 3D4, 3D6, 3G, 3J, 3K, 4A, 4B, 4D, 5C, 6B, 6C, 6F) MUD0X*   Side 14mm (0.55") 19mm (0.75") dia. X 45.1mm (1.78") tall 1‑8, LH & RH DP's Euro Grid 170 170 140 1.5 2.5 4.5 <12> Nipple top. Reverse viewable. Unusual digit style (OCR font?) Numbers listed here as part numbers are in fact production codes. No other numbers are printed on the tubes. I suspect that these are probably type ZM1012.
5L5615 Siemens   End (compact)       SK‑136             Filter coating. Part number uncertain.
9‑CT/10‑6B Futaba   Side   13mm (0.5") dia. X 63.5mm (2.5") long 9‑Digit, segmented numeric readout Wires (both ends)             VFD ? Multiplexed ?
10SG1B2     End N/A   Glow position               Russia/U.S.S.R. 'Dekatron' style glow-transfer decimal counting tube. One known example with 1957 date code marked "PROBATIONARY"
("ОПЫТНАЯ").
11TU7 Tesla G10/241E etc. ? End     0‑9 B12E             Position indicating (and counting?) tube resembling 'Pixie' and 'Dekatron' style tubes.
52GS‑3 ITT   Side   'miniature' +, −, ~, (spiral) Wires             Nipple top.
58‑633A RS Components   Side 15.5mm (0.610") 20mm (0.790") dia. X 40mm (1.575") tall   13 Wires             Filter coating. Nipple top.
58‑GA‑S ITT       25mm (1") tall ?                  
58‑GE‑SH ITT       25mm (1") tall ?                  
58‑GF‑ST ITT       25mm (1") tall ?                  
58‑GRS ITT       25mm (1") tall ?                  
58GSST ITT   Side 13mm (0.5") 13mm (0.51") dia. X 27mm (1.06") tall +, −, ~, (spiral) SK‑207             Nipple top. Thick standoff/spacer.
122P224 Xerox (Burroughs) 1970‑0002, 5031, 5092, 5092A, 6844A, 8037, 8421, 50347, B‑5031, B‑5092, B‑5092‑A, B‑6844A, B‑50347, BD‑302, CK6844A, CK8037, CK8421, CV5278, CV9316, GN‑4, GN‑4A, GR10M, HB‑106, JAN‑6844A, JAN‑CB‑6844A, JAN‑CZ‑6844A, JAN‑8037, JAN‑8421, M2726‑102500, NL‑5092, NL‑6844A, NL‑8037, NL‑8421, NL‑50347, Z520M, Z560M, Z5600M, ZM1020, ZM1020/01, ZM1022 End 15.5mm (0.610") 27.5mm (1.080") dia. X 35mm (1.375") tall 0‑9 B13B: 1 170 170 147 1.5 <1.5> 2.25 <2.5> 3.0 <3.5> Low curved front. Mildly radioactive Krypton-85 added during manufacture to reduce dark effect; labeled with radiation symbol. Identical to B‑5092‑A; manufactured by Burroughs for Xerox with Xerox in‑house part number.
154‑0326‑00 Tektronix B‑5094, NL‑5094 End 7mm (0.275") 25mm (1") dia. M, µ, N [left]
A, S, V [right]		 B13B: 1d             Symbols for test equipment (side by side).
238‑002‑9‑001 B&K Precision (Babcock, Beckman, Sperry) 411‑286, 411‑0286, 411‑295, 411‑0295, 1970‑0066, EX‑352, SP‑352 Special 14mm (0.550")   2‑Digit, 7 segment, RH DP's 20 Pins, special arrangement             Planar neon gas discharge 'Panaplex' readout. Separate anodes allow single-digit multiplexing. Used in B&K 282 DMM, Data Precision 3500 VOM, ESE ES‑124L clock, Heathkit GC‑1005, GC‑1092A & GC‑2005 clocks, and Heathkit HW‑104, SB‑104 & SB‑104A radio transceivers.
238‑003‑9‑001 B&K Precision (Babcock, Beckman, Sperry) SP‑351 Special 14mm (0.55")   +, −, 1½‑Digit, 7 segment, RH DP's ?? Pins, special arrangement             Planar neon gas discharge 'Panaplex' readout. Used in B&K 282 DMM and Data Precision 3500 VOM.
276‑048 Archer   Side     0‑9, LH & RH DP's Wires             Nipple top.
276‑049 Archer Y‑1938, Y‑1939 Side 14.5mm (0.57") 22mm (0.875") dia. X 51mm (2.000") tall 7 Segment, RH DP 10 pins, circle w/ pin #10 slightly inset. Pin #10 to rear. filament: 1.5 VAC, segments: +27 VDC filament: 35, segments: 0.5 filament: 40, segments: 1.0 filament: 45, segments: 1.5 VFD. Lack of grid makes multiplexing difficult. Nipple top. With or without filter coating, both versions under the same Archer part number.
276‑063 Archer   Side     7 Segment, RH DP Pins             Vacuum Fluorescent Display. Nipple top.
283CQAD7971 Ultronic 7971, B‑7971, NL‑7971 Side 63.5mm (2.5") 31mm (2") dia. X 127mm (5") tall 15 Segment Alphanumeric, incl. underscore SK‑137             Nipple in base.
340‑0004 Wang 8754, 4200840, CK8754, NL‑840 Side 15.5mm (0.610") 19.0mm (0.750") dia. X 52.0mm (2.050") tall 0‑9 RTS‑11: 1 170 170 147 1.5 2.5 3.0 <3.5> Nipple top.
340‑0005 Wang CK1907, NL‑843 Side 15.5mm (0.610") nominal 19.0mm (0.750") dia. X 52.0mm (2.050") tall +, − RTS‑11: 1d 170 170 147 1.5 2.5 3.0 <3.5> Nipple top.
340‑0010 Wang   Side     +, − SK‑207 ?             Nipple top.
340‑0011 Wang   Side     0‑9 SK‑207             Nipple top.
411‑264 Heathkit (National Electronics) 411‑0264, B‑5859S, NL‑950S, NL‑1220 Side     0‑9, LH & RH DP's SK‑207: 1              
411‑0264 Heathkit (National Electronics) 411‑264, B‑5859S, NL‑950S, NL‑1220 Side     0‑9, LH & RH DP's SK‑207: 1              
411‑269 Heathkit 411‑0269, DA2110, DR2110                        
411‑0269 Heathkit 411‑269, DA2110, DR2110                        
411‑281 Heathkit (Babcock, Beckman, Sperry) 411‑0281, SP‑733 Special     3‑Digit               Planar neon gas discharge 'Panaplex' readout. Used in Heathkit IC-2008A calculator.
411‑0281 Heathkit (Babcock, Beckman, Sperry) 411‑281, SP‑733 Special     3‑Digit               Planar neon gas discharge 'Panaplex' readout. Used in Heathkit IC-2008A calculator.
411‑284 Heathkit (Amperex, Dario, Mullard, National Electronics, Philips, Valvo) 411‑0284, 411284, ZM1000, ZM1000E, ZM1000R Side 14mm (0.55") 19mm (0.75") dia. X 49.5mm (1.95") tall 0‑9, LH DP Euro Grid: 1 170 170 140 1.5 2.5 4.5 <12> Nipple top. Used in Heathkit IM‑1202 Digital Multimeter.
411‑0284 Heathkit (Amperex, Dario, Mullard, National Electronics, Philips, Valvo) 411‑284, 411284, ZM1000, ZM1000E, ZM1000R Side 14mm (0.55") 19mm (0.75") dia. X 49.5mm (1.95") tall 0‑9, LH DP Euro Grid: 1 170 170 140 1.5 2.5 4.5 <12> Nipple top. Used in Heathkit IM‑1202 Digital Multimeter.
411‑286 Heathkit (Babcock, Beckman, Sperry) 238‑002‑9‑001, 411‑0286, 411‑295, 411‑0295, 1970‑0066, EX‑352, SP‑352 Special 14mm (0.550")   2‑Digit, 7 segment, RH DP's 20 Pins, special arrangement             Planar neon gas discharge 'Panaplex' readout. Separate anodes allow single-digit multiplexing. Used in Heathkit GC‑1005, GC‑1092A & GC‑2005 clocks, and Heathkit HW‑104, SB‑104 & SB‑104A radio transceivers.
411‑0286 Heathkit (Babcock, Beckman, Sperry) 238‑002‑9‑001, 411‑286, 411‑295, 411‑0295, 1970‑0066, EX‑352, SP‑352 Special 14mm (0.550")   2‑Digit, 7 segment, RH DP's 20 Pins, special arrangement             Planar neon gas discharge 'Panaplex' readout. Separate anodes allow single-digit multiplexing. Used in Heathkit GC‑1005, GC‑1092A & GC‑2005 clocks, and Heathkit HW‑104, SB‑104 & SB‑104A radio transceivers.
411‑290 Heathkit (Babcock, Beckman, Sperry) 411‑0290, HB‑353, SP‑353 Special 14mm (0.55")   3‑Digit, 7 segment, RH DP's 30 Pins, special arrangement             Planar neon gas discharge 'Panaplex' readout. Separate anodes allow single-digit multiplexing. Used in Heathkit IC‑2008A calculator.
411‑0290 Heathkit (Babcock, Beckman, Sperry) 411‑290, HB‑353, SP‑353 Special 14mm (0.55")   3‑Digit, 7 segment, RH DP's 30 Pins, special arrangement             Planar neon gas discharge 'Panaplex' readout. Separate anodes allow single-digit multiplexing. Used in Heathkit IC‑2008A calculator.
411‑295 Heathkit (Babcock, Beckman, Sperry) 238‑002‑9‑001, 411‑286, 411‑0286, 411‑0295, 1970‑0066, EX‑352, SP‑352 Special 14mm (0.550")   2‑Digit, 7 segment, RH DP's 20 Pins, special arrangement             Planar neon gas discharge 'Panaplex' readout. Separate anodes allow single-digit multiplexing. Used in Heathkit GC‑1005, GC‑1092A & GC‑2005 clocks, and Heathkit HW‑104, SB‑104 & SB‑104A radio transceivers.
411‑0295 Heathkit (Babcock, Beckman, Sperry) 238‑002‑9‑001, 411‑286, 411‑0286, 411‑295, 1970‑0066, EX‑352, SP‑352 Special 14mm (0.550")   2‑Digit, 7 segment, RH DP's 20 Pins, special arrangement             Planar neon gas discharge 'Panaplex' readout. Separate anodes allow single-digit multiplexing. Used in Heathkit GC‑1005, GC‑1092A & GC‑2005 clocks, and Heathkit HW‑104, SB‑104 & SB‑104A radio transceivers.
1970‑0002 Hewlett-Packard 122P224, 5031, 5092, 5092A, 6844A, 8037, 8421, 50347, B‑5031, B‑5092, B‑5092A, B‑6844A, B‑50347, BD‑302, CK6844A, CK8037, CK8421, CV5278, CV9316, GN‑4, GN‑4A, GR10M, HB‑106, JAN‑6844A, JAN‑CB‑6844A, JAN‑CZ‑6844A, JAN‑8037, JAN‑8421, M2726‑102500, NL‑5092, NL‑6844A, NL‑8037, NL‑8421, NL‑50347, Z520M, Z560M, Z5600M, ZM1020, ZM1020/01, ZM1022 End 15.5mm (0.610") 27.5mm (1.080") dia. X 35mm (1.375") tall 0‑9 B13B: 1 170 170 147 1.5 <1.5> 2.25 <2.5> 3.0 <3.5> Low curved front.
1970‑0009 Hewlett-Packard 5991, 8422, 4205991, B‑5961, B‑5991, B‑8422, B‑59917, B‑59917A, JAN‑8422, KS‑19944,L1, NL‑5961, NL‑5991, NL‑8422, ZM1100, ZM1102, ZM1180, ZM1182 End (compact) 15.5mm (0.610") 20mm (0.790") X 26mm (1.020") X 28.5mm (1.120") tall 0‑9 SK‑136: 1 170 170 120 1.5 2.25 3.0  
1970‑0012 Hewlett-Packard B‑5992, NL‑5992 End (compact) 15.5mm (0.610")   +, − SK‑136: 1b              
1970‑0013 Hewlett-Packard B‑5032 ?, B‑5992 ? End (compact) 15.5mm (0.610") nominal   +, − SK‑136: 1b              
1970‑0015 Hewlett-Packard, National Electronics B‑59936 ? End (compact) 15.5mm (0.610") nominal   +, − [front/center]
A, K, M [top]
C, Ω [bottom]		 SK‑136: 1e             Symbols for AC/DC VOM. Odd configuration: there are full-sized '+' & '−' symbols toward the front of the tube, and two stacks of smaller symbols in over/under arrangement behind them.
1970‑0016 Hewlett-Packard, National Electronics 1970‑0009, 5991, 8422, 4205991, B‑5961, B‑5991, B‑8422, B‑59917, B‑59917A, JAN‑8422, KS‑19944,L1, NL‑5961, NL‑5991, NL‑8422, ZM1100, ZM1102, ZM1180, ZM1182 End (compact) 15.5mm (0.610") 20.5mm (0.800") X 26mm (1.020") X 34.5mm (1.358") tall 0‑9 SK‑136: 1 170 170 130 2.5 3.3 4.5 Mercury-free design intended for use in chemically restricted environments.
1970‑0017 Hewlett-Packard, National Electronics B‑5440, B‑5440A, NL‑5440, NL‑5440A Side 15.5mm (0.61") 19mm (0.75") dia. X 52mm (2.05") tall 0‑9 SK‑182: 1 170 170 145 1.5 2.5 3.0 <3.5> Nipple top.
1970‑0018 Hewlett-Packard, National Electronics 1970‑0035, B‑5441, B‑5441A, B‑5441X ?, NL‑5441, NL‑5441A, NL‑54417 ? Side 15.5mm (0.61") 19mm (0.75") dia. X 52mm (2.05") tall 0‑9, LH & RH DP's SK‑182: 1a 170 170 142 1.5 2.5 (DP 0.5) 3.0 <3.5> (DP 0.7) Nipple top.
1970‑0025 Hewlett-Packard B‑5560, NL‑918 Side Inverted 13.2mm (0.520") 15.2mm (0.600") dia. X 35.3mm (1.390") tall 0‑9 SK‑116: 2 170 170 138   1.5 - 2.0 2.5 Domed smooth bottom.
1970‑0028 Hewlett-Packard B‑5445, NL‑5445 Side Inverted 15.5mm (0.61") 19mm (0.75") dia. X 52mm (2.05") tall 0‑9 SK‑182: 1 170 170 145 1.5 2.5 3.0 <3.5> Nipple bottom.
1970‑0030 Hewlett-Packard, Burroughs B‑5857, B‑5857S, B‑5867, B‑5867S Side Inverted     0‑9 SK‑207: 1b             Nipple bottom.
1970‑0032 Hewlett-Packard B‑5448, B‑5448A, NL‑987 Side 15.5mm (0.61") nominal 19mm (0.75") dia. X 52mm (2.05") tall +, −, (OverLoad) SK‑182: 1c 170 170 145 1.5 2.5 3.0 <3.5> "OverLoad" symbol is capital "O" superimposed with subscript capital "L". Nipple top.
1970‑0035 Hewlett-Packard 1970‑0018, B‑5441, B‑5441A, B‑5441X ?, NL‑5441, NL‑5441A, NL‑54417 ? Side 15.5mm (0.61") 19mm (0.75") dia. X 44.5mm (1.75") tall 0‑9, LH & RH DP's SK‑182: 1a 170 170 142 2.0 2.3 (DP 0.5) 3.5 (DP 0.7) Smooth top.
1970‑0037 Hewlett-Packard B‑5450, NL‑988 Side 8mm (0.315") 19mm (0.75") dia. X 52mm (2.05") tall M [top]
V [bottom]		 SK‑182 170 170 145       Symbols for test equipment (over/under). Nipple top.
1970‑0038 Hewlett-Packard B‑5449 ?, NL‑989 Side 8mm (0.315") 19mm (0.75") dia. X 52mm (2.05") tall A, K, M [top]
C, V, Ω [bottom]		 SK‑182 170 170 145       Symbols for test equipment (over/under). Nipple top.
1970‑0041 Hewlett-Packard                          
1970‑0042 Hewlett-Packard, National Electronics 5870ST, B‑5870ST, NL‑5870ST Side     0‑9, LH & RH DP's SK‑207: 1a             Nipple top.
1970‑0046 Hewlett-Packard NL‑1265 Side 15.5mm (0.610") 19mm (0.750") dia. X 44.5mm (1.750") tall 0‑9, LH DP & RH comma SK‑182: 1d 170 170 142 2.0 2.3 (DP & comma 0.5) 3.5 (DP & comma 0.7) Smooth top. Rated life: 200k hrs.
1970‑0047 Hewlett-Packard, National Electronics B‑5442, B‑5442A, NL‑5442, NL‑5442A Side 15.5mm (0.61") nominal 19mm (0.75") dia. X 44.5mm (1.75") tall +, − SK‑182: 1b 170 170 145 1.5 2.3 3.0 <3.5> Smooth top.
1970‑0054 Hewlett-Packard, National Electronics 5870S Side     0‑9, ? DP ? SK‑207             Nipple top.
1970‑0058 Hewlett-Packard                          
1970‑0062 Hewlett-Packard                          
1970‑0065 Hewlett-Packard                          
1970‑0066 Hewlett-Packard (Babcock, Beckman, Sperry) 238‑002‑9‑001, 411‑286, 411‑0286, 411‑295, 411‑0295, EX‑352, SP‑352 Special 14mm (0.550")   2‑Digit, 7 segment, RH DP's 20 Pins, special arrangement             Planar neon gas discharge 'Panaplex' readout. Separate anodes allow single-digit multiplexing.
1970‑0067 Hewlett-Packard (Babcock, Beckman, Sperry) 238‑003‑9‑001, HB‑351, SP‑351 Special 14mm (0.55")   +, −, 1½‑Digit, 7 segment, RH DP's ?? Pins, special arrangement             Planar neon gas discharge 'Panaplex' readout.
1970‑0071 Hewlett-Packard (Burroughs, Vishay) 2215804, BR16252 Special 0.250"   16‑Digit, 7 segment numeric Special             Neon 'Panaplex II' flat panel readout.
1970‑0075 Hewlett-Packard                          
1970‑0601 Hewlett-Packard                          
3015‑F     Special 9mm (0.36") 22mm (0.87") X 11.5mm (0.45") X 9mm (0.36") tall 7 Segment, RH DP 16‑Pin DIP, pins 1 & 16 at top: Common=2; 5; 10; 12 & 13, a=15, b=14, c=11, d=7, e=6, f=3, g=4, dp=9 4.5   5.0   8.0 per seg. @ 5.0v   'Minitron' incandescent filament readout.
3015‑G     Special 9mm (0.36") 22mm (0.87") X 11.5mm (0.45") X 9mm (0.36") tall +, −, 1 (segments), RH DP 16‑Pin DIP, pins 1 & 16 at top: Common=6; 7; 9; 12 & 13, − =4 & 5, l(vertical stroke of "+")=2 & 3, 1[top]=14 & 15, 1[bottom]=11, dp=10 4.5   5.0   8.0 per seg. @ 5.0v   'Minitron' incandescent filament readout.
3421   5302                        
4021 Burroughs 4032, 4041, 5810, 7009, 7977, 8502, B‑4021, B‑4021AL, B‑4021G, B‑4021L, B‑4032, B‑4041, B‑4081, B‑5810, B‑7009, BD‑200S, BD‑244, JAN‑7009, JAN‑7977, JAN‑8502, NL‑4021, NL‑4021A, NL‑4032, NL‑4041, NL‑7009, NL‑7977, NL‑8502, ZM1120, ZM1122 End 7.75mm (0.305") 16.5mm (0.650") dia. X 23.5mm (0.925") tall 0‑9 SK‑116: 1 120 120 102 0.7 <0.7> 1.0 1.4 <2.0> Low voltage design. High domed front.
4031 National Electronics B‑4031, NL‑4031 End 8mm (0.310") 17mm (0.680") dia. X 24mm (0.940") tall +, − SK‑116: 1a 170 170 154 0.7 <0.7> 1.0 1.4 <2.0> High domed front. Silicone rubber outer sleeve (thickness included in tube diameter). Symbol tube complementary to 4032, also matches 5810 & 7977 types in size & electrical characteristics.
4032 Burroughs 4021, 4041, 5810, 7009, 7977, 8502, B‑4021, B‑4021AL, B‑4021G, B‑4021L, B‑4032, B‑4041, B‑4081, B‑5810, B‑7009, BD‑200S, BD‑244, JAN‑7009, JAN‑7977, JAN‑8502, NL‑4021, NL‑4021A, NL‑4032, NL‑4041, NL‑7009, NL‑7977, NL‑8502, ZM1120, ZM1122 End 7.75mm (0.305") 17mm (0.680") dia. X 24mm (0.940") tall 0‑9 SK‑116: 1 170 170 154 0.7 <0.7> 1.0 1.4 <2.0> High domed front. Silicone rubber outer sleeve (thickness included in tube diameter). Ultra long life.
4038 Burroughs, National Electronics B‑4038, NL‑4038 End 7.75mm (0.305") 17mm (0.680") dia. X 27mm (1.063") tall A, E, G, H, J, K, L, M SK‑116: 1b 170 170 145 0.7 <0.7> 1.0 1.4 <2.0> High domed front. Narrow viewing angle. Silicone rubber outer sleeve (thickness included in tube diameter).
4041 Burroughs 4021, 4032, 5810, 7009, 7977, 8502, B‑4021, B‑4021AL, B‑4021G, B‑4021L, B‑4032, B‑4041, B‑4081, B‑5810, B‑7009, BD‑200S, BD‑244, JAN‑7009, JAN‑7977, JAN‑8502, NL‑4021, NL‑4021A, NL‑4032, NL‑4041, NL‑7009, NL‑7977, NL‑8502, ZM1120, ZM1122 End 7.75mm (0.305") 16.5mm (0.650") dia. X 23.5mm (0.925") tall 0‑9 SK‑116: 1 170 170 154 0.7 <0.7> 1.0 1.2 <2.0>  
5031 Burroughs 122P224, 1970‑0002, 5037, 5092, 5092A, 6844A, 8037, 8421, 50347, B‑5031, B‑5037, B‑5092, B‑5092A, B‑6844A, B‑50347, BD‑302, CK6844A, CK8037, CV5278, CV9316, GN‑4, GN‑4A, GR10M, HB‑106, JAN‑6844A, JAN‑CB‑6844A, JAN‑CZ‑6844A, JAN‑8037, JAN‑8421, M2726‑102500, NL‑5092, NL‑8037, NL‑8421, NL‑50347, Z520M, Z560M, Z5600M, ZM1020, ZM1020/01, ZM1022 End 15.5mm (0.610") 27.5mm (1.080") dia. X 35mm (1.375") tall 0‑9 B13B: 1 170 170 147 1.5 <1.5> 2.25 <2.5> 3.0 <3.5> High domed front.
5037 Burroughs 122P224, 1970‑0002, 5031, 5092, 5092A, 6844A, 8037, 8421, 50347, B‑5031, B‑5037, B‑5092, B‑5092A, B‑6844A, B‑50347, BD‑302, CK6844A, CK8037, CV5278, CV9316, GN‑4, GN‑4A, GR10M, HB‑106, JAN‑6844A, JAN‑CB‑6844A, JAN‑CZ‑6844A, JAN‑8037, JAN‑8421, M2726‑102500, NL‑5092, NL‑8037, NL‑8421, NL‑50347, Z520M, Z560M, Z5600M, ZM1020, ZM1020/01, ZM1022 End 15.5mm (0.610") 27.5mm (1.080") dia. X 35mm (1.375") tall 0‑9 B13B: 1 170 170 147 1.5 <1.5> 2.25 <2.5> 3.0 <3.5> High domed or low curved front.
5092 Burroughs 122P224, 1970‑0002, 5031, 5092A, 6844A, 8037, 8421, 50347, B‑5031, B‑5092, B‑5092A, B‑6844A, B‑50347, BD‑302, CK6844A, CK8037, CK8421, CV5278, CV9316, GN‑4, GN‑4A, GR10M, HB‑106, JAN‑6844A, JAN‑CB‑6844A, JAN‑CZ‑6844A, JAN‑8037, JAN‑8421, M2726‑102500, NL‑5092, NL‑8037, NL‑8421, NL‑50347, Z520M, Z560M, Z5600M, ZM1020, ZM1020/01, ZM1022 End 15.5mm (0.610") 27.5mm (1.080") dia. X 35mm (1.380") tall 0‑9 B13B: 1 170 170 147 1.5 <1.5> 2.25 <2.5> 3.0 <3.5> Ultra-long life. Low curved front.
5092A Burroughs 122P224, 1970‑0002, 5031, 5092, 6844A, 8037, 8421, 50347, B‑5031, B‑5092, B‑5092A, B‑6844A, B‑50347, BD‑302, CK6844A, CK8037, CK8421, CV5278, CV9316, GN‑4, GN‑4A, GR10M, HB‑106, JAN‑6844A, JAN‑CB‑6844A, JAN‑CZ‑6844A, JAN‑8037, JAN‑8421, M2726‑102500, NL‑5092, NL‑8037, NL‑8421, NL‑50347, Z520M, Z560M, Z5600M, ZM1020, ZM1020/01, ZM1022 End 15.5mm (0.610") 27.5mm (1.080") dia. X 35mm (1.380") tall 0‑9 B13B: 1 170 170 147 1.5 <1.5> 2.25 <2.5> 3.0 <3.5> Low curved front. Mildly radioactive Krypton-85 added during manufacture to reduce dark effect; labeled with radiation symbol.
5302   3421                        
5810   4021, 4032, 4041, 7009, 7977, 8502, B‑4021, B‑4021AL, B‑4021G, B‑4021L, B‑4032, B‑4041, B‑4081, B‑5810, B‑7009, BD‑200S, BD‑244, JAN‑7009, JAN‑7977, JAN‑8502, NL‑4021, NL‑4021A, NL‑4032, NL‑4041, NL‑7009, NL‑7977, NL‑8502, ZM1120, ZM1122 End 8mm (0.310") 17mm (0.680") dia. X 24mm (0.940") tall 0‑9 SK‑116: 1 170 170 154 0.7 <0.7> 1.0 1.4 <2.0> High domed front. Silicone rubber outer sleeve (thickness included in tube diameter).
5859CS     Side     0‑9, LH & RH DP's SK‑207: 1              
5863ST             SK‑207              
5870L ITT, National Electronics   Side     0‑9, LH & RH DP's SK‑207: 1a 170 170 140 2.3 3.5 5 Used in Bach Simpson PHM64 Research pH Meter.
5870S ITT, Lorenz, STC 1970‑0042, B‑5870S, B‑5870ST, GR116D, NL‑5870S, NL‑5870ST, ZM1332, ZM1332K Side     0‑9, LH & RH DP's SK‑207: 1a 170 170 140 2.3 3.5 5 Nipple top. Used in Yaesu YC‑355 frequency display.
5870ST Burroughs, ITT, National Electronics 1970‑0042, B‑5870ST, NL‑5870ST Side     0‑9, LH & RH DP's SK‑207: 1a 170 170 140 2.3 3.5 5 Nipple top.
5991 Burroughs 1970‑0009, 8422, 4205991, B‑5961, B‑5991, B‑8422, B‑59917, B‑59917A, JAN‑8422, KS‑19944,L1, NL‑5961, NL‑5991, NL‑8422, ZM1100, ZM1102, ZM1180, ZM1182 End (compact) 15.5mm (0.610") 20mm (0.790") X 26mm (1.020") X 28.5mm (1.120") tall 0‑9 SK‑136: 1 170 170 120 1.5 2.25 3.0  
6000‑92‑0006 IEE BA0006‑P31 End 16mm (0.625") 29mm (1.135") dia. X 66mm (2.60") tall 0‑9 B12C w/ anode button on side of tube, pin 5 at bottom: Anode=Side Button, Filament=5&11, Grid"0"=6, Grid"1"=12, Grid"2"=1, Grid"3"=2, Grid"4"=3, Grid"5"=4, Grid"6"=10, Grid"7"=9, Grid"8"=8, Grid"9"=7 1600   1750 (Filament 1.1)   0.030 (Filament 200)   'nimo' CRT readout using defocused electron beam projected through stencil mask onto phosphor screen. Nipple in base. Manufacturer documented model designation "BA" does not appear on tube.
6021                            
6370 Philips, Valvo CV5106, E1T, S 10 S1 Side N/A 37mm (1.457") dia. X 83mm (3.268") tall Glow position only (labeled) B12A             CRT electron beam decimal counting tube with phosphor screen.
6476 Raytheon, Sylvania 6476/A, CK6476, CV2325, GS10C, GS10C/S, M2465‑402, Z502S End N/A   Glow position B12E: Anode=13, K1=10, K2=9, K3=8, K4=7, K5=6, K6=5, K7=4, K8=3, K9=2, K10=1, Guide1=12, Guide2=11             'Dekatron' style glow-transfer decimal counting/selector tube.
6476/A Raytheon, Sylvania, Westinghouse 6476, CK6476, CV2325, GS10C, GS10C/S, M2465‑402, Z502S End N/A   Glow position B12E: Anode=13, K1=10, K2=9, K3=8, K4=7, K5=6, K6=5, K7=4, K8=3, K9=2, K10=1, Guide1=12, Guide2=11 350           'Dekatron' style glow-transfer decimal counting/selector tube.
6482 Sylvania   End N/A   Glow position K8A: 1 350           'Dekatron' style glow-transfer decimal counting tube.
6700 Burroughs, Haydu B‑6700, CV5277, ET51, JAN‑6700, JAN‑CBSC‑6700 N/A N/A   None B26A             'Beam‑X Switch' crossed-field electron beam decimal counting tube. External magnet.
6701 Burroughs   N/A N/A   None B26A             'Beam‑X Switch' crossed-field electron beam decimal counting tube. External magnet.
6703 Burroughs BD‑301 N/A N/A   None B26A             'Beam‑X Switch' crossed-field electron beam decimal counting tube. External magnet and shield.
6710 Burroughs BX‑1000 N/A N/A   None B26A             'Beam‑X Switch' crossed-field electron beam decimal counting tube. Internal magnet(s).
6712 Burroughs BX‑3000 N/A N/A   None B26A             'Beam‑X Switch' crossed-field electron beam decimal counting tube. Internal magnet(s).
6802 Raytheon, Sylvania CK6802 End N/A 29.5mm (1.16") dia. X 99.75mm (3.93") tall Glow position K8A: 1a 350   191       'Dekatron' style glow-transfer decimal counting tube.
6844A Burroughs, ITT, National Electronics 122P224, 1970‑0002, 5031, 5092, 5092A, 8037, 8421, 50347, B‑5031, B‑5092, B‑5092A, B‑6844A, B‑50347, BD‑302, CK6844A, CK8037, CK8421, CV5278, CV9316, GN‑4, GN‑4A, GR10M, HB‑106, JAN‑6844A, JAN‑CB‑6844A, JAN‑CZ‑6844A, JAN‑8037, JAN‑8421, M2726‑102500, NL‑5092, NL‑8037, NL‑8421, NL‑50347, Z520M, Z560M, Z5600M, ZM1020, ZM1020/01, ZM1022 End 15.5mm (0.610") 27.5mm (1.080") dia. X 35mm (1.375") tall 0‑9 B13B: 1 170 170 135 1.5 <1.5> 2.25 <2.75> 3.0 <4.0> High domed front. Narrow viewing angle.
6845                            
6846 Sylvania   None ? N/A 19mm (0.750") dia. X 44.5mm (1.750") tall. N/A "Miniature Button 7‑Pin" = B7G ? 350           Neon binary glow-transfer counting tube, function similar to "T" flip-flop.
6870S ITT   Side     0‑9, LH & RH DP's ? 14 Wires ?             Nipple top.
6879 Raytheon, Sylvania   End N/A 'miniature' Glow position B7G             'Dekatron' style glow-transfer decimal counting tube. Nipple front.
6909 Raytheon, Sylvania CK6909 End N/A   Glow position K8A: 1a             'Dekatron' style glow-transfer decimal counting tube.
6910 Raytheon CK6910 End N/A   Glow position B12E             'Dekatron' style glow-transfer decimal counting tube.
7009 National Electronics 4021, 4032, 4041, 5810, 7977, 8502, B‑4021, B‑4021AL, B‑4021G, B‑4021L, B‑4032, B‑4041, B‑4081, B‑5810, B‑7009, BD‑200S, BD‑244, JAN‑7009, JAN‑7977, JAN‑8502, NL‑4021, NL‑4021A, NL‑4032, NL‑4041, NL‑7009, NL‑7977, NL‑8502, ZM1120, ZM1122 End 8mm (0.310") 16.5mm (0.650") dia. X 23.5mm (0.925") tall 0‑9 SK‑116: 1 170 170 102 0.7 <0.7> 1.0 1.2 <2.0> High domed front.
7018                            
7031 Burroughs B‑7031 Side 51mm (2.000") 57mm (2.250") dia. X 140mm (5.500") tall 0‑9 B14A: 2, 4, 7, 5, 13, 6, 11, 3, 12, 9, 10 300 300   10.0 13.0 16.0 Ultra long life. Smooth top.
7032 Burroughs B‑7032 Side Inverted 51mm (2.000") 57mm (2.250") dia. X 140mm (5.500") tall 0‑9 B14A: 2, 4, 7, 5, 13, 6, 11, 3, 12, 9, 10 300 300   10.0 13.0 16.0 Smooth bottom. No anode mesh in front of cathodes.
7035                            
7037 Burroughs, National Electronics B‑7037, NL‑7037, Z568M, Z5680M Side 51mm (2.000") 52.5mm (2.065") dia. X 100mm (3.925") tall 0‑9 SK‑137: 2, 4, 9, 7, 17, 8, 14, 3, 16, 12, 13 200 200 135 6 <6> 8 <8> 10 <10> Smooth top.
7108 Wang   Side     0‑9 Pins             Nipple top.
7153 Burroughs, National Electronics 8423, B‑6033, B‑6091, B‑7153, BD‑206, JAN‑8423, NL‑7153, NL‑8423 End 20.5mm (0.808") 34.5mm (1.350") dia. X 38.5mm (1.512") tall 0‑9 B13B: 1 170 170 147 1.5 <1.5> 2.5 <3.0> 4.0 <5.0> Low curved front.
7155 Raytheon, Sylvania   End N/A   Glow position B7G             'Dekatron' style glow-transfer decimal counting tube. Nipple front.
7193 Wang   Side     0‑9 RTS‑11: 1 ?             Nipple top.
7971 Burroughs, National Electronics 283CQAD7971, B‑7971, NL‑7971 Side 63.5mm (2.500") 51mm (2") dia. X 127mm (5") tall 15 Segment Alphanumeric, incl. underscore SK‑137             Nipple in base.
7977 National Electronics 4021, 4032, 4041, 5810, 7009, 8502, B‑4021, B‑4021AL, B‑4021G, B‑4021L, B‑4032, B‑4041, B‑4081, B‑5810, B‑7009, BD‑200S, BD‑244, JAN‑7009, JAN‑7977, JAN‑8502, NL‑4021, NL‑4021A, NL‑4032, NL‑4041, NL‑7009, NL‑7977, NL‑8502, ZM1120, ZM1122 End 8mm (0.310") 17mm (0.680") dia. X 24mm (0.940") tall 0‑9 SK‑116: 1 170 170 154 0.7 <0.7> 1.0 1.4 <2.0> High domed front. Silicone rubber outer sleeve (thickness included in tube diameter). Long life (>200K hrs.)
7978 Raytheon CK7978 End N/A   Glow position B13B             'Dekatron' style glow-transfer decimal counting tube.
8035                           Decade counting tube.
8037 National Electronics 122P224, 1970‑0002, 5031, 5037, 5092, 5092A, 6844A, 8421, 50347, B‑5031, B‑5037, B‑5092, B‑5092A, B‑6844A, B‑50347, BD‑302, CK6844A, CK8037, CV5278, CV9316, GN‑4, GN‑4A, GR10M, HB‑106, JAN‑6844A, JAN‑CB‑6844A, JAN‑CZ‑6844A, JAN‑8037, JAN‑8421, M2726‑102500, NL‑5092, NL‑8037, NL‑8421, NL‑50347, Z520M, Z560M, Z5600M, ZM1020, ZM1020/01, ZM1022 End 15.5mm (0.610") 26mm (1.024") dia. X 28.5mm (1.122") tall 0‑9 B13B: 1 170 170 147 1.5 <1.5> 2.25 <2.5> 3.0 <3.5> High domed or low curved front. Narrow viewing angle.
8286   CV2239, CV5290, VS10G, VS10G/M N/A N/A   None B26A             'Trochotron' crossed-field electron beam decimal counting tube.
8353 Sylvania   End N/A   Glow position B13B             'Dekatron' style glow-transfer decimal counting tube. Nipple in base.
8421 National Electronics, Raytheon 122P224, 1970‑0002, 5031, 5092, 5092A, 6844A, 8037, 50347, B‑5031, B‑5092, B‑5092A, B‑6844A, B‑50347, BD‑302, CK6844A, CK8037, CK8421, CV5278, CV9316, GN‑4, GN‑4A, GR10M, HB‑106, JAN‑6844A, JAN‑CB‑6844A, JAN‑CZ‑6844A, JAN‑8037, JAN‑8421, M2726‑102500, NL‑5092, NL‑8037, NL‑8421, NL‑50347, Z520M, Z560M, Z5600M, ZM1020, ZM1020/01, ZM1022 End 15.5mm (0.610") 27.5mm (1.080") dia. X 35mm (1.380") tall 0‑9 B13B: 1 170 170 147 1.5 <1.5> 2.25 <2.5> 3.0 <3.5> Low curved front.
8422 National Electronics 1970‑0009, 5991, 4205991, B‑5961, B‑5991, B‑8422, B‑59917, B‑59917A, JAN‑8422, KS‑19944,L1, NL‑5961, NL‑5991, NL‑8422, ZM1100, ZM1102, ZM1180, ZM1182 End (compact) 15.5mm (0.610")   0‑9 SK‑136: 1              
8423 Burroughs, National Electronics 7153, B‑6033, B‑6091, B‑7153, BD‑206, JAN‑8423, NL‑7153, NL‑8423 End 20.5mm (0.808") 34.5mm (1.350") dia. X 38.5mm (1.512") tall 0‑9 B13B: 1 170 170 147 1.5 <1.5> 3.0 <3.25> 4.0 <4.5> Low curved front.
8440                            
8453 Amperex Z550M, ZM1050 End 3mm (0.118") 28.5mm (1.12") dia. X 31mm (1.22") tall 0‑9 B13B             Readout (and counting?) tube resembling 'Pixie' style position indicator tube.
8502 National Electronics 4021, 4032, 4041, 5810, 7009, 7977, B‑4021, B‑4021AL, B‑4021G, B‑4021L, B‑4032, B‑4041, B‑4081, B‑5810, B‑7009, BD‑200S, BD‑244, JAN‑7009, JAN‑7977, JAN‑8502, NL‑4021, NL‑4021A, NL‑4032, NL‑4041, NL‑7009, NL‑7977, NL‑8502, ZM1120, ZM1122 End 8mm (0.310") 16.5mm (0.650") dia. X 23.5mm (0.925") tall 0‑9 SK‑116: 1 120 120 102 0.7 <0.7> 1.0 1.4 <2.0> Low voltage design. High domed front.
8601                            
8754 National Electronics 340‑0004, 4200840, CK8754, NL‑840 Side 15.5mm (0.610") 19.0mm (0.750") dia. X 52.0mm (2.050") tall 0‑9 RTS‑11: 1 170 170 147 1.5 2.5 3.0 <3.5> Nipple top.
8843 Sylvania   Side 14.5mm (0.571") 55mm (2.165") tall X 22mm (0.866") dia. 7 Segment, RH DP B9A+             'Flurotron' VFD. Nipple top.
8894 Sylvania   Side 14.5mm (0.571") 55mm (2.165") tall X 22mm (0.866") dia. 7 Segment B9A             'Flurotron' VFD. Nipple top.
50347 Burroughs, National Electronics 122P224, 1970‑0002, 5031, 5092, 5092A, 6844A, 8037, 8421, B‑5031, B‑5092, B‑5092‑A, B‑6844A, B‑50347, BD‑302, CK6844A, CK8037, CK8421, CV5278, CV9316, GN‑4, GN‑4A, GR10M, HB‑106, JAN‑6844A, JAN‑CB‑6844A, JAN‑CZ‑6844A, JAN‑8037, JAN‑8421, M2726‑102500, NL‑5092, NL‑6844A, NL‑8037, NL‑8421, NL‑50347, Z520M, Z560M, Z5600M, ZM1020, ZM1020/01, ZM1022 End 15.5mm (0.610") 27.5mm (1.080") dia. X 35mm (1.380") tall 0‑9 B13B: 1 170 170 135 1.5 <1.5> 2.25 <2.75> 3.0 <4.0> High domed front. Narrow viewing angle.
411284 Heathkit (Amperex, Dario, Mullard, National Electronics, Philips, Valvo) 411‑284, 411‑0284, ZM1000, ZM1000E, ZM1000R Side 14mm (0.55") 19mm (0.75") dia. X 49.5mm (1.95") tall 0‑9, LH DP Euro Grid: 1 170 170 140 1.5 2.5 4.5 <12> Nipple top. Used in Heathkit IM‑1202 Digital Multimeter.
2215804 Burroughs, Vishay 1970‑0071, BR16252 Special 0.250"   16‑Digit, 7 segment numeric Special             Neon 'Panaplex II' flat panel readout.
3080010 Drake B‑5870         SK‑207 170 170 140 2.3 3.5 5  
4200840 Packard Instrument Co. 340‑0004, 8754, CK8754, NL‑840 Side 15.5mm (0.610") 19.0mm (0.750") dia. X 52.0mm (2.050") tall 0‑9 RTS‑11: 1 170 170 147 1.5 2.5 3.0 <3.5> Nipple top.
4200841 Packard Instrument Co. CK1916, NL‑841 Side 15.5mm (0.610") 19mm (0.750") dia. X 52.0mm (2.050") tall 0‑9, LH DP RTS‑11: 1a 170 170 147 1.5 (DP 0.2) 2.5 3.0 <3.5> (DP 0.5) Nipple top.
4205991 Packard Instrument Co. 1970‑0009, 5991, 8422, B‑5961, B‑5991, B‑8422, B‑59917, B‑59917A, JAN‑8422, KS‑19944,L1, NL‑5961, NL‑5991, NL‑8422, ZM1100, ZM1102, ZM1180, ZM1182 End (compact) 15.5mm (0.610")   0‑9 SK‑136: 1              
16851453 Burroughs   Side     0‑9, LH & RH DP's ? SK‑207 ?             Nipple top.
A‑17 Nadler CD47, GR‑411, GR‑414 Side 135mm
(5.31")		 72mm (2.83") dia. X 220mm (8.66") tall 0‑9 B12A: 12, 10, 1, 2, 3, 4, 5, 6, 7, 8, 9 250 250 160 17.5 25 32.5 Monstrous! Re‑boxed Rodan/Okaya CD47/GR‑411.
A101     End N/A 34mm (1.34") dia. X 76mm (2.99") tall Glow position 13 Pin Russian, Anode=8, K0=1, K1=13, K2=12, K3=11, K4=9, K5=7, K6=6, K7=4, K8=3, K9=2, Guide1=5, Guide2=10 450 375-425 170     0.4 Russia/U.S.S.R. 'Dekatron' style glow-transfer decimal counting tube.
AD3 L.M. Ericsson Co.   N/A ? N/A ?   None ?               Crossed-field electron beam decimal counting tube.
B210GH Telefunken XM1000 End 15.5mm (0.610") 20.5mm (0.808") X 27mm (1.063") X 64.5mm (2.54") tall 0‑9, LH & RH DP's SK‑136             Prototype CRT readout using defocused electron beam projected through stencil mask onto phosphor screen.
B‑4021 Burroughs 4021, 4032, 4041, 5810, 7009, 7977, 8502, B‑4021AL, B‑4021G, B‑4021L, B‑4032, B‑4041, B‑4081, B‑5810, B‑7009, BD‑200S, BD‑244, JAN‑7009, JAN‑7977, JAN‑8502, NL‑4021, NL‑4021A, NL‑4032, NL‑4041, NL‑7009, NL‑7977, NL‑8502, ZM1120, ZM1122 End 7.75mm (0.305") 16.5mm (0.650") dia. X 23.5mm (0.925") tall 0‑9 SK‑116: 1 120 120 102 0.7 <0.7> 1.0 1.4 <2.0> Low voltage design. High domed front.
B‑4021AL Burroughs 4021, 4032, 4041, 5810, 7009, 7977, 8502, B‑4021, B‑4021G, B‑4021L, B‑4032, B‑4041, B‑4081, B‑5810, B‑7009, BD‑200S, BD‑244, JAN‑7009, JAN‑7977, JAN‑8502, NL‑4021, NL‑4021A, NL‑4032, NL‑4041, NL‑7009, NL‑7977, NL‑8502, ZM1120, ZM1122 End 7.75mm (0.305") 16.5mm (0.650") dia. X 23.5mm (0.925") tall 0‑9 SK‑116: 1 120 120 102 0.7 <0.7> 1.0 1.4 <2.0> Narrow viewing angle. High domed front.
B‑4021G Burroughs 4021, 4032, 4041, 5810, 7009, 7977, 8502, B‑4021, B‑4021AL, B‑4021L, B‑4032, B‑4041, B‑4081, B‑5810, B‑7009, BD‑200S, BD‑244, JAN‑7009, JAN‑7977, JAN‑8502, NL‑4021, NL‑4021A, NL‑4032, NL‑4041, NL‑7009, NL‑7977, NL‑8502, ZM1120, ZM1122 End 7.75mm (0.305") 16.5mm (0.650") dia. X 23.5mm (0.925") tall 0‑9 SK‑116: 1 120 120 102 0.7 <0.7> 1.0 1.4 <2.0> High domed front.
B‑4021L Burroughs 4021, 4032, 4041, 5810, 7009, 7977, 8502, B‑4021, B‑4021AL, B‑4021G, B‑4032, B‑4041, B‑4081, B‑5810, B‑7009, BD‑200S, BD‑244, JAN‑7009, JAN‑7977, JAN‑8502, NL‑4021, NL‑4021A, NL‑4032, NL‑4041, NL‑7009, NL‑7977, NL‑8502, ZM1120, ZM1122 End 7.75mm (0.305") 16.5mm (0.650") dia. X 23.5mm (0.925") tall 0‑9 SK‑116: 1 120 120 102 0.7 <0.7> 1.0 1.4 <2.0> High domed front.
B‑4022 Burroughs BD‑255     'miniature' +, − SK‑116: 1a              
B‑4024 Burroughs   End   'miniature' 0, 1, 2, 3, M, G SK‑116: 1c              
B‑4028 Burroughs       'miniature' +, − SK‑116: 1a             Low voltage.
B‑4031 Burroughs 4031, NL‑4031 End 7.75mm (0.305") 17mm (0.680") dia. X 24mm (0.940") tall +, − SK‑116: 1a 170 170 154 0.7 <0.7> 1.0 1.4 <2.0> High domed front. Silicone rubber outer sleeve (thickness included in tube diameter). Symbol tube complementary to 4032, also matches 5810 & 7977 types in size & electrical characteristics. "Long life".
B‑4032 Burroughs 4021, 4032, 4041, 5810, 7009, 7977, 8502, B‑4021, B‑4021AL, B‑4021G, B‑4021L, B‑4041, B‑4081, B‑5810, B‑7009, BD‑200S, BD‑244, JAN‑7009, JAN‑7977, JAN‑8502, NL‑4021, NL‑4021A, NL‑4032, NL‑4041, NL‑7009, NL‑7977, NL‑8502, ZM1120, ZM1122 End 7.75mm (0.305") 17mm (0.680") dia. X 24mm (0.940") tall 0‑9 SK‑116: 1 170 170 154 0.7 <0.7> 1.0 1.4 <2.0> High domed front. Silicone rubber outer sleeve (thickness included in tube diameter). Ultra long life.
B‑4038 Burroughs 4038, NL‑4038 End 7.75mm (0.305") 17mm (0.680") dia. X 27mm (1.063") tall A, E, G, H, J, K, L, M SK‑116: 1b 170 170 145 0.7 <0.7> 1.0 1.4 <2.0> High domed front. Narrow viewing angle. Silicone rubber outer sleeve (thickness included in tube diameter).
B‑4041 Burroughs 4021, 4032, 4041, 5810, 7009, 7977, 8502, B‑4021, B‑4021AL, B‑4021G, B‑4021L, B‑4032, B‑4081, B‑5810, B‑7009, BD‑200S, BD‑244, JAN‑7009, JAN‑7977, JAN‑8502, NL‑4021, NL‑4021A, NL‑4032, NL‑4041, NL‑7009, NL‑7977, NL‑8502, ZM1120, ZM1122 End 7.75mm (0.305") 16.5mm (0.650") dia. X 23.5mm (0.925") tall 0‑9 SK‑116: 1 170 170 154 0.7 <0.7> 1.0 1.2 <2.0>  
B‑4081 Burroughs 4021, 4032, 4041, 5810, 7009, 7977, 8502, B‑4021, B‑4021AL, B‑4021G, B‑4021L, B‑4032, B‑4041, B‑5810, B‑7009, BD‑200S, BD‑244, JAN‑7009, JAN‑7977, JAN‑8502, NL‑4021, NL‑4021A, NL‑4032, NL‑4041, NL‑7009, NL‑7977, NL‑8502, ZM1120, ZM1122 End 7.75mm (0.305") 16.5mm (0.650") dia. X 23.5mm (0.925") tall 0‑9 SK‑116: 1 170 170 154 0.7 <0.7> 1.0 1.2 <2.0>  
B‑4088 Burroughs   End     A, E, G, H, J, K, L, M  ? SK‑116: 1b ?             Uncertain if this part number exists or is a mis-read of B-4038.
B‑4991 Burroughs   End     0‑9 ? Wires              
B‑4997 Burroughs   End (compact) 7mm (0.276") ? 11.2mm (0.441") X 15mm (0.591") X 26mm (1.024") tall ? 0‑9 SK‑176 ? (Wires)              
B‑4998 Burroughs NL‑4998 End (compact) 7.75mm (0.305") 12.0mm (0.470") X 16.0mm (0.625") X 25.4mm (1.000") tall 0‑9 SK‑176: 1 170 170 150 1.0 1.35 2.0 <2.5> Complementary types include B‑49982, B‑49989 and B‑49990.
B‑5016 Burroughs B‑5032, B‑50911, BD‑214, NL‑5016, NL‑5032, NL‑50911 End 15.5mm (0.610") 27.5mm (1.080") dia. X 35mm (1.375") tall +, − B13B: 1a 170 170 135 1.5 <1.5> 2.25 <2.75> 3.0 <4.0> High domed front. Narrow viewing angle.
B‑5018 Burroughs BD‑216 End 15.5mm (0.610") 27.5mm (1.080") dia. X 35mm (1.375") tall A, B, C, D, E, F, G, H, J, K B13B 170 170 135 1.5 <1.5> 2.25 <2.75> 3.0 <4.0> High domed front. Narrow viewing angle.
B‑5023 Burroughs   End       Pins (11?), circle w/ key gap              
B‑5025 Burroughs   Side     0‑9 B9A             Bi‑quinary. Nipple top. Mercury-free.
B‑5030 Burroughs NL‑5030, ZM1032 ? Side 15.5mm (0.610") 22.2mm (0.874") dia. X 55.6mm (2.189") tall 0‑9 B9A             Bi‑quinary. Nipple top. One source reports this tube as having inverted display, but all other known Burroughs and National tubes with identical numeric part numbers are functionally equivalent tubes. (NL‑5030 does not have inverted display.)
B‑5031 Burroughs 122P224, 1970‑0002, 5031, 5037, 5092, 5092A, 6844A, 8037, 8421, 50347, B‑5037, B‑5092, B‑5092A, B‑6844A, B‑50347, BD‑302, CK6844A, CK8037, CV5278, CV9316, GN‑4, GN‑4A, GR10M, HB‑106, JAN‑6844A, JAN‑CB‑6844A, JAN‑CZ‑6844A, JAN‑8037, JAN‑8421, M2726‑102500, NL‑5092, NL‑8037, NL‑8421, NL‑50347, Z520M, Z560M, Z5600M, ZM1020, ZM1020/01, ZM1022 End 15.5mm (0.610") 26mm (1.024") dia. X 28.5mm (1.122") tall 0‑9 B13B: 1 170 170 147 1.5 <1.5> 2.25 <2.5> 3.0 <3.5> Ultra long life. High domed front.
B‑5032 Burroughs B‑5016, B‑50911, BD‑214, NL‑5016, NL‑5032, NL‑50911 End     +, − B13B: 1a             "Long life". High domed front.
B‑5037 Burroughs 122P224, 1970‑0002, 5031, 5037, 5092, 5092A, 6844A, 8037, 8421, 50347, B‑5031, B‑5092, B‑5092A, B‑6844A, B‑50347, BD‑302, CK6844A, CK8037, CV5278, CV9316, GN‑4, GN‑4A, GR10M, HB‑106, JAN‑6844A, JAN‑CB‑6844A, JAN‑CZ‑6844A, JAN‑8037, JAN‑8421, M2726‑102500, NL‑5092, NL‑8037, NL‑8421, NL‑50347, Z520M, Z560M, Z5600M, ZM1020, ZM1020/01, ZM1022 End 15.5mm (0.610") 26mm (1.024") dia. X 28.5mm (1.122") tall 0‑9 B13B: 1 170 170 147 1.5 <1.5> 2.25 <2.5> 3.0 <3.5> High domed or low curved front.
B‑5044 Burroughs                          
B‑5051B Burroughs                          
B‑5091 Burroughs                          
B‑5092 Burroughs 122P224, 1970‑0002, 5031, 5092, 5092A, 6844A, 8037, 8421, 50347, B‑5031, B‑5092A, B‑6844A, B‑50347, BD‑302, CK6844A, CK8037, CK8421, CV5278, CV9316, GN‑4, GN‑4A, GR10M, HB‑106, JAN‑6844A, JAN‑CB‑6844A, JAN‑CZ‑6844A, JAN‑8037, JAN‑8421, M2726‑102500, NL‑5092, NL‑8037, NL‑8421, NL‑50347, Z520M, Z560M, Z5600M, ZM1020, ZM1020/01, ZM1022 End 15.5mm (0.610") 27.5mm (1.080") dia. X 35mm (1.380") tall 0‑9 B13B: 1 170 170 147 1.5 <1.5> 2.25 <2.5> 3.0 <3.5> Ultra-long life. Low curved front.
B‑5092‑A Burroughs 122P224, 1970‑0002, 5031, 5092, 6844A, 8037, 8421, 50347, B‑5031, B‑5092, B‑6844A, B‑50347, BD‑302, CK6844A, CK8037, CK8421, CV5278, CV9316, GN‑4, GN‑4A, GR10M, HB‑106, JAN‑6844A, JAN‑CB‑6844A, JAN‑CZ‑6844A, JAN‑8037, JAN‑8421, M2726‑102500, NL‑5092, NL‑8037, NL‑8421, NL‑50347, Z520M, Z560M, Z5600M, ZM1020, ZM1020/01, ZM1022 End 15.5mm (0.610") 27.5mm (1.080") dia. X 35mm (1.380") tall 0‑9 B13B: 1 170 170 147 1.5 <1.5> 2.25 <2.5> 3.0 <3.5> Low curved front. Mildly radioactive Krypton-85 added during manufacture to reduce dark effect; labeled with radiation symbol.
B‑5094 Burroughs 154‑0326‑00, NL‑5094 End 7mm (0.275") 25mm (1") dia. M, µ, N [left]
A, S, V [right]		 B13B: 1d             Symbols for test equipment (side by side).
B‑5440 Burroughs 1970‑0017, B‑5440A, NL‑5440, NL‑5440A Side 15.5mm (0.610") 19mm (0.750") dia. X 52mm (2.050") tall 0‑9 SK‑182: 1 170 170 145 1.5 2.5 3.0 <3.5> Nipple top. Rated life: 200k hrs.
B‑5440A Burroughs 1970‑0017, B‑5440, NL‑5440, NL‑5440A Side 15.5mm (0.610") 19mm (0.750") dia. X 44.5mm (1.750") tall 0‑9 SK‑182: 1 170 170 145 1.5 2.5 3.0 <3.5> Smooth top. Rated life: 200k hrs.
B‑5441 Burroughs 1970‑0018, 1970‑0035, B‑5441A, B‑5441X ?, NL‑5441, NL‑5441A, NL‑54417 ? Side 15.5mm (0.610") 19mm (0.750") dia. X 52mm (2.050") tall 0‑9, LH & RH DP's SK‑182: 1a 170 170 142 1.5 2.5 (DP 0.5) 3.0 <3.5> (DP 0.7) Nipple top. Rated life: 200k hrs.
B‑5441A Burroughs 1970‑0018, 1970‑0035, B‑5441, B‑5441X ?, NL‑5441, NL‑5441A, NL‑54417 ? Side 15.5mm (0.610") 19mm (0.750") dia. X 44.5mm (1.750") tall 0‑9, LH & RH DP's SK‑182: 1a 170 170 142 2.0 2.3 (DP 0.5) 3.5 (DP 0.7) Smooth top. Rated life: 200k hrs.
B‑5441X Burroughs 1970‑0018 ?, 1970‑0035 ?, B‑5441 ?, B‑5441A ?, NL‑5441 ?, NL‑5441A ?, NL‑54417 ? Side 15.5mm (0.61") 19mm (0.75") dia. X 52mm (2.05") tall 0‑9, LH & RH DP's SK‑182: 1a 170 170 142 1.5 2.5 (DP 0.5) 3.0 <3.5> (DP 0.7) Nipple top.
B‑5442 Burroughs 1970‑0047, B‑5442A, NL‑5442, NL‑5442A Side 15.5mm (0.610") nominal 19mm (0.750") dia. X 52mm (2.050") tall +, − SK‑182: 1b 170 170 145 1.5 2.3 3.0 <3.5> Nipple top. Sign tube complementary to B‑5440 and B‑5441. Rated life: 200k hrs.
B‑5442A Burroughs 1970‑0047, B‑5442, NL‑5442, NL‑5442A Side 15.5mm (0.610") nominal 19mm (0.750") dia. X 44.5mm (1.750") tall +, − SK‑182: 1b 170 170 145 1.5 2.3 3.0 <3.5> Smooth top. Sign tube complementary to B‑5440A and B‑5441A. Rated life: 200k hrs.
B‑5445 Burroughs, Westinghouse 1970‑0028, NL‑5445 Side Inverted 15.5mm (0.61") 19mm (0.75") dia. X 52mm (2.05") tall 0‑9 SK‑182: 1 170 170 145 1.5 2.5 3.0 <3.5> Nipple bottom.
B‑5448 Burroughs B‑5448A, 1970‑0032, NL‑987 Side 15.5mm (0.610") nominal 19mm (0.750") dia. X 52mm (2.050") tall +, −, (OverLoad) SK‑182: 1c 170 170 145 1.5 2.5 3.0 <3.5> "OverLoad" symbol is capital "O" superimposed with subscript capital "L". Nipple top.
B‑5448A Burroughs 1970‑0032, B‑5448, NL‑987 Side 15.5mm (0.610") nominal 19mm (0.750") dia. X 44.5mm (1.750") tall +, −, (OverLoad) SK‑182: 1c 170 170 145 1.5 2.5 3.0 <3.5> "OverLoad" symbol is capital "O" superimposed with subscript capital "L". Smooth top.
B‑5449 Burroughs 1970‑0038 ?, NL‑989 ? Side 8mm (0.315") 19mm (0.75") dia. X 52mm (2.05") tall A, K, M [top]
C, V, Ω [bottom] ?		 SK‑182 170 170 145       Symbols for test equipment (over/under). Nipple top.
B‑5450 Burroughs 1970‑0037, NL‑988 Side 8mm (0.315") 19mm (0.75") dia. X 52mm (2.05") tall M [top]
V [bottom]		 SK‑182 170 170 145       Symbols for test equipment (over/under). Nipple top.
B‑5456 Burroughs                          
B‑5540 Burroughs                          
B‑5560 Burroughs 1970‑0025, NL‑918 Side Inverted 13.2mm (0.520") 15.2mm (0.600") dia. X 35.3mm (1.390") tall 0‑9 SK‑116: 2 170 170 138   1.5 - 2.0 2.5 Domed smooth bottom.
B‑5692 Burroughs                         ???
B‑5693 Burroughs                         ???
B‑5750 Burroughs NL‑950 Side 13mm (0.5")   0‑9, LH & RH DP's SK‑207: 1a             Nipple top.
B‑5750S Burroughs NL‑950 Side 13mm (0.5") 38mm (1.5") tall 0‑9, LH & RH DP's SK‑207: 1a             Nipple top.
B‑5755 Burroughs, JRC   Side 13mm (0.512") 13mm (0.512") dia. X 27mm (1.063") tall 0‑9, LH & RH DP's SK‑207 (38mm long wires)             Nipple top. Designed for multiplexing. Used in Monroe 620 calculator.
B‑5755R Burroughs   Side 13mm (0.512") 13mm (0.512") dia. X 27mm (1.063") tall 0‑9, LH & RH DP's SK‑207             Nipple top.
B‑5853 Burroughs, JRC B‑5853S, B‑5853‑S1, B‑5853ST, NL‑5853, NL‑5853S, NL‑5853ST, ZM1336, ZM1336K Side 13mm (0.512") 13mm (0.512") dia. X 34mm (1.34") tall 0‑9, LH & RH DP's SK‑207: 1a             Nipple top.
B‑5853S Burroughs, JRC B‑5853, B‑5853‑S1, B‑5853ST, NL‑5853, NL‑5853S, NL‑5853ST, ZM1336, ZM1336K Side 13mm (0.512") 13mm (0.512") dia. X 34mm (1.34") tall 0‑9, LH & RH DP's SK‑207: 1a             Nipple top. "S" suffix indicates pre-cut wire leads.
B‑5853‑SI Burroughs B‑5853, B‑5853‑S, B‑5853ST, NL‑5853, NL‑5853S, NL‑5853ST, ZM1336, ZM1336K Side 13mm (0.512") 13mm (0.512") dia. X 34mm (1.34") tall 0‑9, LH & RH DP's SK‑207: 1a             Nipple top. "S" suffix indicates pre-cut wire leads. "I" suffix indicates inclined standoff/spacer (tubes lean forward about 30°).
B‑5853ST Burroughs B‑5853, B‑5853‑S, B‑5853‑S1, NL‑5853, NL‑5853S, NL‑5853ST, ZM1336, ZM1336K Side 13mm (0.512") 13mm (0.512") dia. X 34mm (1.34") tall 0‑9, LH & RH DP's SK‑207: 1a             Nipple top.
B‑5855 Burroughs   Side     0‑9, LH & RH DP's SK‑207: 1              
B‑5855ST Burroughs   Side     0‑9, LH & RH DP's SK‑207: 1a              
B‑5856S Burroughs   Side   1 1/4" tall ? +, − SK‑207: 1c             Nipple top.
B‑5857 Burroughs 1970‑0030, B‑5857S, B‑5867, B‑5867S Side Inverted     0‑9 SK‑207: 1b             Nipple bottom.
B‑5857S Burroughs 1970‑0030, B‑5857, B‑5867, B‑5867S Side Inverted     0‑9 SK‑207: 1b             Nipple bottom.
B‑5859A Burroughs   Side     0‑9, LH & RH DP's SK‑207: 1              
B‑5859CS Burroughs   Side     0‑9, LH & RH DP's SK‑207: 1             Nipple top.
B‑5859S Burroughs 411‑264, 411‑0264, NL‑950S, NL‑1220 Side     0‑9, LH & RH DP's SK‑207: 1             Nipple top.
B‑5861 Burroughs   Side 13mm (0.512") ? 32mm (1.260") tall ? 0‑9, LH & RH DP's ? SK‑207             Nipple top.
B‑5861ST Burroughs   Side 13mm (0.512") ? 32mm (1.260") tall ? 0‑9, LH & RH DP's ? SK‑207             Nipple top.
B‑5863ST Burroughs   Side 13mm (0.512") ? 32mm (1.260") tall ? 0‑9, LH & RH DP's ? SK‑207             Nipple top.
B‑5866 Burroughs   Side     +, −, RH DP SK‑207: 1d              
B‑5866S Burroughs   Side     +, −, RH DP SK‑207: 1d             Nipple top.
B‑5866S1 Burroughs   Side     +, −, RH DP SK‑207: 1d             Nipple top.
B‑5866ST Burroughs   Side     +, −, RH DP SK‑207: 1d             Nipple top.
B‑5866STX Burroughs   Side     +, −, RH DP SK‑207: 1d             Nipple top.
B‑5867 Burroughs 1970‑0030, B‑5857, B‑5857S, B‑5867S Side Inverted     0‑9 SK‑207: 1b             Nipple bottom.
B‑5867S Burroughs 1970‑0030, B‑5857, B‑5857S, B‑5867 Side Inverted     0‑9 SK‑207: 1b             Nipple bottom.
B‑5870 Burroughs, JRC 3080010, B‑5870S Side 13mm (0.512") 13mm (0.512") dia. X 34mm (1.34") tall 0‑9, LH & RH DP's SK‑207: 1a 170 170 140 2.3 3.5 5  
B‑5870L Burroughs   Side     0‑9, LH & RH DP's SK‑207: 1a 170 170 140 2.3 3.5 5 Nipple top.
B‑5870S Burroughs, JRC 1970‑0042, 5870S, 3080010, B‑5870ST, GR116D, NL‑5870S, NL‑5870ST, ZM1332, ZM1332K Side 13mm (0.512") 13mm (0.512") dia. X 34mm (1.34") tall 0‑9, LH & RH DP's SK‑207: 1a 170 170 140 2.3 3.5 5 Nipple top. Used in Yaesu YC‑355 frequency display.
B‑5870S7 Burroughs   Side     0‑9, LH & RH DP's SK‑207: 1a 170 170 140 2.3 3.5 5 Nipple top. Part number possibly erroneous.
B‑5870SF Burroughs   Side     0‑9, LH & RH DP's SK‑207: 1a 170 170 140 2.3 3.5 5 Filter coating. Nipple top.
B‑5870ST Burroughs 1970‑0042, 5870S, 5870ST, 3080010, B‑5870S, GR116D, NL‑5870S, NL‑5870ST, ZM1332, ZM1332K Side     0‑9, LH & RH DP's SK‑207: 1a 170 170 140 2.3 3.5 5 Nipple top.
B‑5870T Burroughs   Side     0‑9, LH & RH DP's SK‑207: 1a 170 170 140 2.3 3.5 5 Nipple top.
B‑5870TF Burroughs   Side     0‑9, LH & RH DP's SK‑207: 1a 170 170 140 2.3 3.5 5 Filter coating. Nipple top.
B‑5961 Burroughs 1970‑0009, 1970‑0016, 5991, 8422, 4205991, B‑5991, B‑8422, B‑59917, B‑59917A, JAN‑8422, KS‑19944,L1, NL‑5961, NL‑5991, NL‑8422, ZM1100, ZM1102, ZM1180, ZM1182 End (compact) 15.5mm (0.610") 20.5mm (0.800") X 26mm (1.020") X 34.5mm (1.358") tall 0‑9 SK‑136: 1 170 170 130 2.5 3.3 4.5 Mercury-free design intended for use in chemically restricted environments.
B‑5971 Burroughs NL‑5971 End (compact) 16mm (0.625") 20mm (0.790") X 26mm (1.020") X 24mm (0.958") tall 13 Segment Alphanumeric SK‑136: 2 170            
B‑5991 Burroughs 1970‑0009, 5991, 8422, 4205991, B‑5961, B‑8422, B‑59917, B‑59917A, JAN‑8422, KS‑19944,L1, NL‑5961, NL‑5991, NL‑8422, ZM1100, ZM1102, ZM1180, ZM1182 End (compact) 15.5mm (0.610") 20mm (0.790") X 26mm (1.020") X 28.5mm (1.120") tall 0‑9 SK‑136: 1 170 170 120 1.5 2.25 3.0 Ultra long life.
B‑5992 Burroughs 1970‑0012, NL‑5992 End (compact) 15.5mm (0.610") 20mm (0.790") X 26mm (1.020") X 28.5mm (1.120") tall +, − SK‑136: 1b              
B‑59??? Burroughs   End (compact) 15.5mm (0.610") 20mm (0.790") X 26mm (1.020") X 29mm (1.142") tall A, B, C, D, E, F SK‑136: 1c             Part number mostly obliterated on my example (initially reported as B‑5997), may be 4 or 5 digits following "B".
B‑5999 Burroughs   End (compact) 15.5mm (0.610") 20mm (0.790") X 26mm (1.020") X 29mm (1.142") tall M, K, R, Ω, +, −, AC SK‑136              
B‑6012 Burroughs BD‑225     'Super' +, − B13B: 1a              
B‑6032 Burroughs   End 20.5mm (0.808") 32mm (1.260") dia. X 41mm (1.614") tall +, −, Ω, ~, (inverse ~), E, K, R, M B13B: 1c             Symbols for test equipment. Narrow viewing angle. Low curved front.
B‑6033 Burroughs 7153, 8423, B‑6091, B‑7153, BD‑206, JAN‑8423, NL‑7153, NL‑8423 End 20.5mm (0.808") 32mm (1.260") dia. X 41mm (1.614") tall 0‑9 B13B: 1 250 250 143 1.5 2.25 3.0 <4.5> Ultra long life. Narrow viewing angle. Low curved front.
B‑6034 Burroughs NL‑6034   20.5mm (0.808") 32mm (1.260") dia. X 41mm (1.614") tall +, − B13B: 1a             "Long life". Narrow viewing angle. Low curved front.
B‑6036 Burroughs   End 20.5mm (0.808") 32mm (1.260") dia. X 41mm (1.614") tall +, −, AC B13B: 1b              
B‑6037 Burroughs   End 15.5mm (0.610") 32mm (1.260") dia. X 41mm (1.614") tall 1½‑Digit display (1[L], 0‑9[R]) B13B: 1n 170 170 147 1.5 <1.5> 2.25 <2.5> 3.0 <3.5> Narrow viewing angle. Low curved front. Silicone rubber outer sleeve.
B‑6091 Burroughs 7153, 8423, B‑6033, B‑7153, BD‑206, JAN‑8423, NL‑7153, NL‑8423 End 20.5mm (0.808") 34.5mm (1.350") dia. X 38.5mm (1.512") tall 0‑9 B13B: 1 170 170 147 1.5 <1.5> 3.0 <3.25> 4.0 <4.5> Low curved front.
B‑6422 Burroughs   End (compact)     0‑9 SK‑136: 1             Part number possibly mis-read B‑8422 ?
B‑6629 Burroughs           16 Pins             H‑P test equipment
B‑6700 Burroughs 6700, CV5277, ET51, JAN‑6700, JAN‑CBSC‑6700 N/A N/A   None B26A             'Beam‑X Switch' crossed-field electron beam decimal counting tube. External magnet.
B‑6844A Burroughs 122P224, 1970‑0002, 5031, 5092, 5092A, 6844A, 8037, 8421, 50347, B‑5031, B‑5092, B‑5092A, B‑50347, BD‑302, CK6844A, CK8037, CK8421, CV5278, CV9316, GN‑4, GN‑4A, GR10M, HB‑106, JAN‑6844A, JAN‑CB‑6844A, JAN‑CZ‑6844A, JAN‑8037, JAN‑8421, M2726‑102500, NL‑5092, NL‑6844A, NL‑8037, NL‑8421, NL‑50347, Z520M, Z560M, Z5600M, ZM1020, ZM1020/01, ZM1022 End 15.5mm (0.610") 27.5mm (1.080") dia. X 35mm (1.380") tall 0‑9 B13B: 1 170 170