The Lamp,incandescent, cataloged under National Stock Number 6240-00-271-5991, 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 Company. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6240-00-271-5991 |
| Primary Part Number | 321A |
| Item Name | Lamp,incandescent |
| FSC / FSG | 6240 / 62 — No Item Name Available |
| Manufacturer | General Electric Company |
| Status | ACTIVE |
| Average Life Rating in Hours | 1000.0 |
| Current Rating for Which Designed | 0.040 AMPERES NOMINAL |
| Bulb Light Transmission Characteristic | TRANSPARENT |
| Bulb Style | T (TUBULAR) |
| Filament Designation | C-2F |
| Filament Heavy Duty Service Rating | NOT RATED |
| Bulb Designator | T-1 |
| Rated Average Life | HOURS |
| Voltage Rating | 28.000 VOLTS NOMINAL |
| Emitted Light Characteristic | AMBER |
| Base Style | SPECIAL 952 SCREW |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 6240-00-271-5991 is a Lamp,incandescent, manufactured by General Electric Company, classified under FSC 6240 (No Item Name Available). Status: active.
NSN 6240-00-271-5991 has 4 cross-referenced part numbers: 321A (General Electric Company), 52358-3 (Numax Electronics Inc), 618145-2 (Lockheed Martin Corp), 321A (Lamp Industry for Use with Industry Designations and Abbreviations for Lamps).
There are 8 known substitutes for 6240-00-271-5991: 6720-00-069-5351, 5342-00-200-4114, 4820-00-469-6615 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for 321A: Average Life Rating in Hours: 1000.0; Current Rating for Which Designed: 0.040 AMPERES NOMINAL; Bulb Light Transmission Characteristic: TRANSPARENT; Bulb Style: T (TUBULAR). 12 total characteristics are documented in the Federal Logistics Information System.