The Lamp,incandescent, cataloged under National Stock Number 6240-00-783-2853, is classified within Federal Supply Class 6240 (Electric Lamps) of the Lighting Fixtures and Lamps group. The manufacturer of record is Grimes Aerospace Company. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 6240-00-783-2853 |
| Primary Part Number | A7079B12 |
| Item Name | Lamp,incandescent |
| FSC / FSG | 6240 / 62 — Electric Lamps |
| Manufacturer | Grimes Aerospace Company |
| Status | ACTIVE |
| Bulb Light Transmission Characteristic | TRANSPARENT |
| Filament Designation | C-6 |
| Base Style | SINGLE CONTACT BAYONET CANDELABRA INDEXING |
| Rated Average Life | HOURS |
| Bulb Designator | GG-12A1 |
| Filament Heavy Duty Service Rating | NOT RATED |
| Wattage Rating | 40.000 WATTS |
| Emitted Light Characteristic | WHITE |
| Bulb Style | GG (GLASS GLOBULAR) |
| Light Intensity Distribution Feature | REFLECTIVE BOWL |
| Voltage Rating | 14.000 VOLTS NOMINAL |
| Average Life Rating in Hours | 150.0 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| ML-7079/12 | Microlamp 2017 Inc (USA) |
| A7079B12 PRIMARY | Grimes Aerospace Company (USA) |
| Reference | Meaning |
|---|---|
| ML-7079/12 | 5/9 Secondary reference Micro Lamps Inc. |
NSN 6240-00-783-2853 is a Lamp,incandescent, manufactured by Grimes Aerospace Company, classified under FSC 6240, Electric Lamps. Status: active.
NSN 6240-00-783-2853 has 2 manufacturer part numbers on file: ML-7079/12 (Microlamp 2017 Inc), A7079B12 (Grimes Aerospace Company).
1 possible match (shared part number, not a government interchangeability claim): 6240-00-935-6865. Verify interchangeability with system specifications before substitution.
Key specifications for A7079B12: Bulb Light Transmission Characteristic: TRANSPARENT; Filament Designation: C-6; Base Style: SINGLE CONTACT BAYONET CANDELABRA INDEXING; Rated Average Life: HOURS. 12 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.