The Lamp,incandescent, cataloged under National Stock Number 6240-00-993-6820, is classified within Federal Supply Class 6240 (Electric Lamps) of the Lighting Fixtures and Lamps group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6240-00-993-6820 |
| Item Name | Lamp,incandescent |
| FSC / FSG | 6240 / 62 — Electric Lamps |
| Status | ACTIVE |
| Bulb Light Transmission Characteristic | TRANSLUCENT |
| Base Style | MINIATURE CAP CONICAL END |
| Rated Average Life | NOT RATED |
| Bulb Designator | T-4 |
| Filament Heavy Duty Service Rating | NOT RATED |
| Wattage Rating | 15.000 WATTS |
| Emitted Light Characteristic | WHITE |
| Bulb Style | T (TUBULAR) |
| Current Rating for Which Designed | 0.625 AMPERES NOMINAL |
| Voltage Rating | 24.000 VOLTS NOMINAL |
| 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 |
|---|---|
| 103139 | 3/9 Design control — primary reference Xerox Corp Xerox Documentation and Software Services |
NSN 6240-00-993-6820 is a Lamp,incandescent, classified under FSC 6240, Electric Lamps. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 6625-01-304-2328, 4820-01-433-4444. Verify interchangeability with system specifications before substitution.
Key specifications for 6240-00-993-6820: Bulb Light Transmission Characteristic: TRANSLUCENT; Base Style: MINIATURE CAP CONICAL END; Rated Average Life: NOT RATED; Bulb Designator: T-4. 10 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.