1819 规格参数
| Bulb Style | t (tubular) |
| Filament Designation | c-2f |
| Bulb Light Transmission Characteristic | translucent |
| Emitted Light Characteristic | colorless |
| End Item Identification | fms-asroc launcher; helicopter, sea king h-3; defense communications radio (9 systems); test consoles, mini-sace; fire control system, mk92(fcs); shipboard material handling equipment (mhe); support equipment, b-1 aircraft; close in weapon system |
| Voltage Rating | 28.000 volts nominal |
| Bulb Designator | t-3 1/4 |
| Overall Length | 1.188 inches maximum |
| Burning Position | any acceptable |
| Rated Average Life | hours |
| Light Output Rating | 0.340 spherical candlepower nominal single rating |