| BASE STYLE | MEDIUM SCREW |
| BULB STYLE | A (ARBITRARY DESIGNATION) |
| BULB DESIGNATOR | A-21 |
| OVERALL LENGTH | 4.438 INCHES MAXIMUM |
| BULB LIGHT TRANSMISSION CHARACTERISTIC | TRANSPARENT |
| EMITTED LIGHT CHARACTERISTIC | COLORLESS |
| FILAMENT DESIGNATION | C-5 |
| WATTAGE RATING | 100.000 WATTS |
| VOLTAGE RATING | 32.000 VOLTS NOMINAL |
| CURRENT RATING FOR WHICH DESIGNED | 3.125 AMPERES NOMINAL |
| LIGHT OUTPUT RATING | 1580.000 LUMENS NOMINAL SINGLE RATING |
| RATED AVERAGE LIFE | HOURS |
| AVERAGE LIFE RATING IN HOURS | 500.0 |
| BURNING POSITION | BASE DOWN TO HORIZONTAL |
| FILAMENT HEAVY DUTY SERVICE RATING | NOT RATED |
| SPEC/STD CONTROLLING DATA | |
| MANUFACTURERS CODE | 81348 |
| NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | WL101 |