| BASE STYLE | TELEPHONE SLIDE NUMBER ONE |
| BULB STYLE | T (TUBULAR) |
| BULB DESIGNATOR | T-2 |
| OVERALL LENGTH | 1.688 INCHES MAXIMUM |
| BULB LIGHT TRANSMISSION CHARACTERISTIC | TRANSPARENT |
| EMITTED LIGHT CHARACTERISTIC | COLORLESS |
| FILAMENT DESIGNATION | C-2F |
| WATTAGE RATING | 1.800 WATTS AND |
| 2.280 WATTS |
| VOLTAGE RATING | 12.000 VOLTS NOMINAL |
| CURRENT RATING FOR WHICH DESIGNED | 0.150 AMPERES MINIMUM AND |
| 0.190 AMPERES MAXIMUM |
| LIGHT OUTPUT RATING | 2500.000 FOOTCANDLES NOMINAL 1ST RATING |
| 1.000 SPHERICAL CANDLEPOWER NOMINAL 2ND RATING |
| RATED AVERAGE LIFE | NOT RATED |
| AVERAGE LIFE RATING IN HOURS | 1500.0 |
| BURNING POSITION | ANY ACCEPTABLE |
| FILAMENT HEAVY DUTY SERVICE RATING | NOT RATED |
| SPEC/STD CONTROLLING DATA | |
| MANUFACTURERS CODE | 96906 |
| DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MS15609-7 |