| EMITTED LIGHT CHARACTERISTIC | RED |
| AVERAGE LIFE RATING IN HOURS | 1000.0 |
| BASE STYLE | MEDIUM SCREW |
| BULB DESIGNATOR | A-21 |
| BULB LIGHT TRANSMISSION CHARACTERISTIC | TRANSLUCENT |
| BULB STYLE | A (ARBITRARY DESIGNATION) |
| CURRENT RATING FOR WHICH DESIGNED | 0.320 AMPERES MINIMUM AND 0.348 AMPERES MAXIMUM |
| FEATURES PROVIDED | FILAMENT SHIELDING AND HEAT RESISTANT GLASS |
| FILAMENT DESIGNATION | C-9 |
| FILAMENT HEAVY DUTY SERVICE RATING | NOT RATED |
| OVERALL LENGTH | 4.438 INCHES NOMINAL |
| RATED AVERAGE LIFE | HOURS |
| VOLTAGE RATING | 115.000 VOLTS MINIMUM AND 125.000 VOLTS MAXIMUM |
| WATTAGE RATING | 40.000 WATTS |