The LAMP,INCANDESCENT is a the manufacturer industrial component. Key specifications include base_style: MEDIUM SCREW, bulb_style: A (ARBITRARY DESIGNATION), overall_length: 4.375 INCHES NOMINAL IN, voltage_rating: 125.000 VOLTS MINIMUM AND 130.000 VOLTS MAXIMUM, wattage_rating: 90.000 WATTS, bulb_designator: A-21. This part is cataloged in the Federal Logistics Information System under NSN 6240-01-344-4778, indicating validated use in U.S.
government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.
| base_style | MEDIUM SCREW |
| bulb_style | A (ARBITRARY DESIGNATION) |
| overall_length | 4.375 INCHES NOMINAL IN |
| voltage_rating | 125.000 VOLTS MINIMUM AND 130.000 VOLTS MAXIMUM |
| wattage_rating | 90.000 WATTS |
| bulb_designator | A-21 |
| special_features | WATT-MISER; TRAFFIC SIGNAL; BURN BDTH |
| rated_average_life | HOURS |
| light_center_length | 2.438 INCHES NOMINAL IN |
| light_output_rating | 1040.000 LUMENS NOMINAL SINGLE RATING |
| filament_designation | C-11V V |
| average_life_rating_in_hours | 8000.0 |
| NSN | 6240-01-344-4778 |
| OVERALL LENGTH | 4.375 INCHES NOMINAL IN |
| FILAMENT DESIGNATION | C-11V V |
| WATTAGE RATING | 90.000 WATTS |
| CURRENT RATING FOR WHICH DESIGNED | 0.692 AMPERES MINIMUM AND 0.720 AMPERES MAXIMUM |
| BULB DESIGNATOR | A-21 |
| EMITTED LIGHT CHARACTERISTIC | COLORLESS |
| AVERAGE LIFE RATING IN HOURS | 8000.0 |
| RATED AVERAGE LIFE | HOURS |
| LIGHT CENTER LENGTH | 2.438 INCHES NOMINAL IN |
| CRITICALITY CODE JUSTIFICATION | FEAT |