The CK8754 is a numerical front-view nixie tube by the Raytheon company of America. It is a plug-in replacement for the NL840 and, like that tube, features a fine grid.
| Digit size | 15.5mm |
| Min current | 1.5mA |
| Max current | 3.5mA |
| Base | RTS-11 |
DataSheet:
Raytheon datasheet