| BASE STYLE | MEDIUM SCREW |
| BULB STYLE | A (ARBITRARY DESIGNATION) |
| BULB DESIGNATOR | A-21 |
| OVERALL LENGTH | 4.938 INCHES MAXIMUM |
| BULB LIGHT TRANSMISSION CHARACTERISTIC | TRANSLUCENT |
| EMITTED LIGHT CHARACTERISTIC | WHITE |
| FILAMENT DESIGNATION | C-9 |
| WATTAGE RATING | 250.000 WATTS |
| VOLTAGE RATING | 115.000 VOLTS MINIMUM AND |
| 120.000 VOLTS MAXIMUM |
| LIGHT OUTPUT RATING | 8500.000 LUMENS NOMINAL SINGLE RATING |
| RATED AVERAGE LIFE | HOURS |
| AVERAGE LIFE RATING IN HOURS | 3.0 |
| BURNING POSITION | ANY ACCEPTABLE |
| FILAMENT HEAVY DUTY SERVICE RATING | NOT RATED |
| LIGHT BEAM TYPE | FLOOD |
| COLOR TEMP IN DEG KELVIN | 3400.0 |
| LIGHT CENTER LENGTH | 3.375 INCHES NOMINAL |
| SPEC/STD CONTROLLING DATA | |
| MANUFACTURERS CODE | 81348 |
| NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | WL101 |