| BASE STYLE | MINIATURE BAYONET |
| TERMINAL TYPE AND QUANTITY | 1 SOLDERLESS LUG |
| BULB STYLE | B (ARBITRARY DESIGNATION) |
| BULB DESIGNATOR | T-3 |
| OVERALL LENGTH | 1.190 INCHES MAXIMUM |
| BULB DIAMETER | 0.406 INCHES MAXIMUM |
| BULB LIGHT TRANSMISSION CHARACTERISTIC | TRANSLUCENT |
| EMITTED LIGHT CHARACTERISTIC | WHITE, TRANSLUCENT |
| FILAMENT DESIGNATION | C-2F |
| VOLTAGE RATING | 28.000 VOLTS NOMINAL |
| CURRENT RATING FOR WHICH DESIGNED | 0.170 AMPERES NOMINAL |
| LIGHT OUTPUT RATING | 3.000 SPHERICAL CANDLEPOWER NOMINAL SINGLE RATING |
| RATED AVERAGE LIFE | HOURS |
| AVERAGE LIFE RATING IN HOURS | 1500.0 |
| BURNING POSITION | ANY ACCEPTABLE |
| FILAMENT HEAVY DUTY SERVICE RATING | NOT RATED |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | (INAVY) 28 VOLT LIGHT BULB |