The Lamp,incandescent, cataloged under National Stock Number 6240-01-020-3370, is classified within Federal Supply Class 6240 (Electric Lamps) of the Lighting Fixtures and Lamps group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6240-01-020-3370 |
| Item Name | Lamp,incandescent |
| FSC / FSG | 6240 / 62 — Electric Lamps |
| Status | ACTIVE |
| Bulb Light Transmission Characteristic | TRANSPARENT |
| Filament Designation | C BAR 8 |
| Base Style | FOUR PIN INDEXING |
| Rated Average Life | HOURS |
| Bulb Designator | T-12 |
| Burning Position | BASE DOWN TO HORIZONTAL |
| Features Provided | HEAT RESISTANT GLASS |
| Filament Heavy Duty Service Rating | NOT RATED |
| Specification/standard Data | 80204-DCW MANUFACTURERS STANDARD |
| Wattage Rating | 150.000 WATTS |
| Emitted Light Characteristic | WHITE |
| Light Center Length | 1.312 INCHES NOMINAL IN |
| Bulb Style | T (TUBULAR) |
| Color Temp in Deg Kelvin | 3300.0 |
| Voltage Rating | 24.000 VOLTS NOMINAL |
| Average Life Rating in Hours | 50.0 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| DCW | 5/1 Secondary reference U.S. Government activity |
| DCW | 3/2 Design control — primary reference U.S. Government activity |
| DCW | 5/9 Secondary reference Gte Products Corp Lighting Products Group |
NSN 6240-01-020-3370 is a Lamp,incandescent, classified under FSC 6240, Electric Lamps. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 7930-01-295-8918. Verify interchangeability with system specifications before substitution.
Key specifications for 6240-01-020-3370: Bulb Light Transmission Characteristic: TRANSPARENT; Filament Designation: C BAR 8; Base Style: FOUR PIN INDEXING; Rated Average Life: HOURS. 16 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.