| BASE STYLE | MEDIUM SCREW |
| BULB STYLE | A (ARBITRARY DESIGNATION) |
| BULB DESIGNATOR | A-21 |
| OVERALL LENGTH | 4.438 INCHES MAXIMUM |
| BULB LIGHT TRANSMISSION CHARACTERISTIC | TRANSLUCENT |
| EMITTED LIGHT CHARACTERISTIC | WHITE |
| FILAMENT DESIGNATION | CC-8 |
| WATTAGE RATING | 100.000 WATTS |
| VOLTAGE RATING | 125.000 VOLTS NOMINAL |
| LIGHT OUTPUT RATING | 1470.000 LUMENS NOMINAL SINGLE RATING |
| RATED AVERAGE LIFE | HOURS |
| AVERAGE LIFE RATING IN HOURS | 2500.0 |
| BURNING POSITION | BASE UP |
| FILAMENT HEAVY DUTY SERVICE RATING | NOT RATED |
| LIGHT CENTER LENGTH | 3.125 INCHES NOMINAL |
| FEATURES PROVIDED | HEAT RESISTANT GLASS AND |
| PREAGED LAMP AND |
| FILAMENT SHIELDING |
| SPECIAL FEATURES | FILAMENT MATERIAL TUNGSTEN |
| SPEC/STD CONTROLLING DATA | |
| MANUFACTURERS CODE | 81348 |
| NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | WL101 |