The Lamp,incandescent, cataloged under National Stock Number 6240-01-477-0012, is classified within Federal Supply Class 6240 (Electric Lamps) of the Lighting Fixtures and Lamps group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 6240-01-477-0012 |
| Item Name | Lamp,incandescent |
| FSC / FSG | 6240 / 62 — Electric Lamps |
| Status | ACTIVE |
| Base Style | WEDGE |
| Bulb Style | GA (COMBINATION OF G AND A SHAPES) |
| 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 |
|---|---|
| 5940-1 | 3/9 Design control — primary reference U.S. Government activity |
NSN 6240-01-477-0012 is a Lamp,incandescent, classified under FSC 6240, Electric Lamps. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5330-01-528-4720. Verify interchangeability with system specifications before substitution.
Key specifications for 6240-01-477-0012: Base Style: WEDGE; Special Features: 360 DEGREE LIGHT VISABILITY;12 VOLT DC POWER SUPPLY;TWIST/BAYONET LOCK;9 WATT WEDGE BASE LAMP;2.375 INCH DIAMETER COMPACT FOOTPRINT;DECK MOUNT IN; Bulb Style: GA (COMBINATION OF G AND A SHAPES). 2 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.