| EMITTED LIGHT CHARACTERISTIC | COLORLESS |
| AVERAGE LIFE RATING IN HOURS | 5000.0 |
| BASE STYLE | MEDIUM SCREW SKIRTED |
| BULB DESIGNATOR | R-40 |
| BULB LIGHT TRANSMISSION CHARACTERISTIC | TRANSPARENT |
| BULB STYLE | R (REFLECTOR) |
| CURRENT RATING FOR WHICH DESIGNED | 0.460 AMPERES MINIMUM AND 0.500 AMPERES MAXIMUM |
| FEATURES PROVIDED | HEAT RESISTANT GLASS |
| FILAMENT DESIGNATION | C-9 OR C-11 |
| FILAMENT HEAVY DUTY SERVICE RATING | NOT RATED |
| LIGHT INTENSITY DISTRIBUTION FEATURE | INFRARED REFLECTOR |
| OVERALL LENGTH | 7.625 INCHES NOMINAL |
| RATED AVERAGE LIFE | HOURS |
| SPECIAL FEATURES | BURN ONLY IN PORCELAIN SOCKETS; DESIGNED FOR SERVICE OTHER THAN ILLUMINATION |
| VOLTAGE RATING | 115.000 VOLTS MINIMUM AND 125.000 VOLTS MAXIMUM |
| WATTAGE RATING | 250.000 WATTS |