The Lamp,incandescent, cataloged under National Stock Number 6240-01-391-8748, is classified within Federal Supply Class 6240 (Electric Lamps) of the Lighting Fixtures and Lamps group. The manufacturer of record is Whelen Engineering Company, Inc. Dba Whelen Engineering Co Inc Div Whelen Engineering Company. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | Safran Electronics & Defense (CAGE FAQ15); Whelen Engineering Company, Inc. Dba Whelen Engineering Co Inc Div Whelen Engineering Company (CAGE 10402) |
| Parameter | Value |
|---|---|
| NSN | 6240-01-391-8748 |
| Primary Part Number | 34-0428070-64 |
| Item Name | Lamp,incandescent |
| FSC / FSG | 6240 / 62 — Electric Lamps |
| Manufacturer | Whelen Engineering Company, Inc. Dba Whelen Engineering Co Inc Div Whelen Engineering Company |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Part Number | Manufacturer |
|---|---|
| 187768040 | Safran Electronics & Defense (FRA) |
| 34-0428070-64 PRIMARY | Whelen Engineering Company, Inc. Dba Whelen Engineering Co Inc Div Whelen Engineering Company (USA) |
| Reference | Meaning |
|---|---|
| A508-28 | 5/9 Secondary reference Whelen Engineering Company, Inc. Dba Whelen Engineering Co Inc Div Whelen Engineering Company |
| Z00.N7445450002TBM | 5/9 Secondary reference Daher Aerospace - Ex Socata |
NSN 6240-01-391-8748 is a Lamp,incandescent, manufactured by Whelen Engineering Company, Inc. Dba Whelen Engineering Co Inc Div Whelen Engineering Company, classified under FSC 6240, Electric Lamps. Status: active.
NSN 6240-01-391-8748 has 2 manufacturer part numbers on file: 187768040 (Safran Electronics & Defense), 34-0428070-64 (Whelen Engineering Company, Inc. Dba Whelen Engineering Co Inc Div Whelen Engineering Company).
1 possible match (shared part number, not a government interchangeability claim): 6240-01-512-3256. 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.