NL-921
15.5mm numeric tube manufactured by National Electronics
The NL-921 is a clear glass end view nixie tube manufactured by National Electronics. It can display numerals 0 to 9 and the left decimal point. The Numerals are alligned to the right inside the glass housing. I don't have any information on this tube, but it looks very similar to the NL-809
| Brand / Manfacturer | National Electronics |
| Same Types | |
| Likely Tyes | |
| Symbol height in mm | 15.5 |
| Characters / Symbols | 0-9 |
| Decimal point | left |
| Base / Socket | SK-136 |
| Starting Voltage (typ) | tested at 170V, 15kOhm V |
| Maintaining Voltage (typ) | V |
| Current per Segment | mA |
| Reccomend Resistor |