The Lamp,incandescent, cataloged under National Stock Number 6240-01-522-7768, is classified within Federal Supply Class 6240 (Electric Lamps) of the Lighting Fixtures and Lamps group. The manufacturer of record is Grimes Aerospace Company. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Lamp,incandescent |
| FSC / FSG | 6240 — Electric Lamps (FSG 62) |
| Manufacturers | Grimes Aerospace Company (CAGE 72914) |
| Parameter | Value |
|---|---|
| NSN | 6240-01-522-7768 |
| Primary Part Number | LP-64621 |
| Item Name | Lamp,incandescent |
| FSC / FSG | 6240 / 62 — Electric Lamps |
| Manufacturer | Grimes Aerospace Company |
| Status | ACTIVE |
| 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 |
|---|---|
| LP-64621 PRIMARY | Grimes Aerospace Company (USA) |
| Reference | Meaning |
|---|---|
| HLX64621 | 5/9 Secondary reference Siemens Corp |
| 6240PL1800075 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 6240-01-522-7768 is a Lamp,incandescent, manufactured by Grimes Aerospace Company, classified under FSC 6240, Electric Lamps. Status: active.
NSN 6240-01-522-7768 has 1 manufacturer part number on file: LP-64621 (Grimes Aerospace Company).
3 possible matches (shared part number, not a government interchangeability claim): 1680-01-621-9126, 6220-01-668-7478, 6240-01-669-4407. Verify interchangeability with system specifications before substitution.
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.