NL-8423/6091

20.5 mm numeric tube manufactured by National Electronics

The NL-8423 is a clear glass numeric nixie tube manufactured by National Electronics. It is identical with the B-6091 from Burroughs. This tube has rather large digits with 20.5mm height.
ManufacturerNational Electronics
Characters0-9
Character height20.5 mm
Decimal pointnone
Base (pinout)B13B
Starting voltage (typ.)170 V
Maintaining voltage (typ.)140 V
Current per segment2.25 mA
Recommended resistor12kOhm