The Lamp,incandescent, cataloged under National Stock Number 6240-01-389-8565, is classified within Federal Supply Class 6240 (Electric Lamps) of the Lighting Fixtures and Lamps group. The manufacturer of record is Federal Commercial Item Description Promulgated by General Services Administration Washington DC. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 6240-01-389-8565 |
| Primary Part Number | A-A-50588-8 |
| Item Name | Lamp,incandescent |
| FSC / FSG | 6240 / 62 — Electric Lamps |
| Manufacturer | Federal Commercial Item Description Promulgated by General Services Administration Washington DC |
| 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 |
|---|---|
| A-A-50588-8 | Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA) |
| Reference | Meaning |
|---|---|
| A-A-50588 | 4/1 Identification reference Federal Commercial Item Description Promulgated by General Services Administration Washington DC |
| MS15571-1829 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 10-5001 ITEM 15 | 5/1 Secondary reference L3 Technologies, Inc. |
| 10-5003 ITEM NO 31 | 5/9 Secondary reference L3 Technologies, Inc. |
NSN 6240-01-389-8565 is a Lamp,incandescent, manufactured by Federal Commercial Item Description Promulgated by General Services Administration Washington DC, classified under FSC 6240, Electric Lamps. Status: active.
NSN 6240-01-389-8565 has 1 manufacturer part number on file: A-A-50588-8 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC).
2 possible matches (shared part number, not a government interchangeability claim): 6240-01-487-3840, 6240-01-668-4124. Verify interchangeability with system specifications before substitution.
Key specifications for A-A-50588-8: Special Features: 28 VOLT: ID; End Item Identification: SEAWOLF CLASS SSN. 0 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.