The Lamp,incandescent, cataloged under National Stock Number 6240-00-143-7441, is classified within Federal Supply Class 6240 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is General Electric Co Lamp Division of Consumer Products Group. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 6240-00-143-7441 |
| Primary Part Number | 50A21-30V |
| Item Name | Lamp,incandescent |
| FSC / FSG | 6240 / 62 — No Item Name Available |
| Manufacturer | General Electric Co Lamp Division of Consumer Products Group |
| Status | CANCELLED |
| Bulb Style | A (ARBITRARY DESIGNATION) |
| Emitted Light Characteristic | WHITE |
| Bulb Light Transmission Characteristic | TRANSLUCENT |
| Filament Designation | C-9 |
| Filament Heavy Duty Service Rating | NOT RATED |
| Bulb Designator | A-21 |
| Wattage Rating | 50.000 WATTS |
| Base Style | MEDIUM SCREW |
| Features Provided | FILAMENT SHIELDING AND HEAT RESISTANT GLASS |
| Average Life Rating in Hours | 1000.0 |
| Rated Average Life | HOURS |
| Voltage Rating | 30.000 VOLTS NOMINAL |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 50A21-30V | General Electric Co Lamp Division of Consumer Products Group (USA) |
| 50A21-30V | General Electric Company Dba Ge (USA) |
| 50A21 | General Electric Company (USA) |
| 50A21-30V | General Electric Company (USA) |
| 50A21-30V | Lamp Industry for Use with Industry Designations and Abbreviations for Lamps |
| 9183668 | Us Army Aviation and Missile Command (USA) |
| 198-911 | Research Enterprises Ltd Radio Div (CAN) |
NSN 6240-00-143-7441 is a Lamp,incandescent, manufactured by General Electric Co Lamp Division of Consumer Products Group, classified under FSC 6240 (No Item Name Available). Status: cancelled.
NSN 6240-00-143-7441 has 7 cross-referenced part numbers: 50A21-30V (General Electric Co Lamp Division of Consumer Products Group), 50A21-30V (General Electric Company Dba Ge), 50A21 (General Electric Company), 50A21-30V (General Electric Company), 50A21-30V (Lamp Industry for Use with Industry Designations and Abbreviations for Lamps) and 2 more.
There are 2 known substitutes for 6240-00-143-7441: 5975-01-344-0922, 3130-01-653-2233. Verify interchangeability with system specifications before substitution.
Key specifications for 50A21-30V: Bulb Style: A (ARBITRARY DESIGNATION); Overall Length: 4.312 INCHES MAXIMUM IN; Emitted Light Characteristic: WHITE; Bulb Light Transmission Characteristic: TRANSLUCENT. 13 total characteristics are documented in the Federal Logistics Information System.
NSN 6240-00-143-7441 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.