The Lamp,incandescent, cataloged under National Stock Number 6240-00-409-8636, is classified within Federal Supply Class 6240 (Electric Lamps) of the Lighting Fixtures and Lamps group. The manufacturer of record is International Business Machines Corp Parts Order Center Dept E - 54. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Lamp,incandescent |
| FSC / FSG | 6240 — Electric Lamps (FSG 62) |
| Manufacturers | International Business Machines Corp Parts Order Center Dept E - 54 (CAGE 0B6S1); International Business Machines Corporation Dba IBM (CAGE 30874) |
| Parameter | Value |
|---|---|
| NSN | 6240-00-409-8636 |
| Primary Part Number | 643052 |
| Item Name | Lamp,incandescent |
| FSC / FSG | 6240 / 62 — Electric Lamps |
| Manufacturer | International Business Machines Corp Parts Order Center Dept E - 54 |
| 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 |
|---|---|
| 643052 PRIMARY | International Business Machines Corp Parts Order Center Dept E - 54 (USA) |
| 0643052 | International Business Machines Corporation Dba IBM (USA) |
| Reference | Meaning |
|---|---|
| 0643052 | 5/9 Secondary reference International Business Machines Corp Parts Order Center Dept E - 54 |
| 643052 | 5/9 Secondary reference International Business Machines Corporation Dba IBM |
NSN 6240-00-409-8636 is a Lamp,incandescent, manufactured by International Business Machines Corp Parts Order Center Dept E - 54, classified under FSC 6240, Electric Lamps. Status: active.
NSN 6240-00-409-8636 has 2 manufacturer part numbers on file: 643052 (International Business Machines Corp Parts Order Center Dept E - 54), 0643052 (International Business Machines Corporation Dba IBM).
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.