| EMITTED LIGHT CHARACTERISTIC | WHITE |
| AVERAGE LIFE RATING IN HOURS | 2000.0 AND 7000.0 |
| BASE STYLE | WEDGE |
| BULB DIAMETER | 5.50 MILLIMETERS MINIMUM AND 5.70 MILLIMETERS MAXIMUM |
| BULB LIGHT TRANSMISSION CHARACTERISTIC | TRANSPARENT |
| BULB STYLE | T (TUBULAR) |
| CURRENT RATING FOR WHICH DESIGNED | 40.000 MILLIAMPERES NOMINAL |
| FILAMENT DESIGNATION | C-2F |
| LIGHT OUTPUT RATING | 0.300 CANDLEPOWER PER SQUARE MILLIMETER NOMINAL SINGLE RATING |
| OVERALL LENGTH | 18.50 MILLIMETERS MINIMUM AND 19.70 MILLIMETERS MAXIMUM |
| VOLTAGE RATING | 28.000 VOLTS NOMINAL |