The Lamp,cartridge, cataloged under National Stock Number 6240-01-012-3976, 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. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6240-01-012-3976 |
| Primary Part Number | 2391023 |
| Item Name | Lamp,cartridge |
| FSC / FSG | 6240 / 62 — Electric Lamps |
| Manufacturer | International Business Machines Corp Parts Order Center Dept E - 54 |
| Status | ACTIVE |
| Cartridge Overall Diameter | 0.245 INCHES NOMINAL IN |
| Base Style | SUB-MINIATURE TWO PIN |
| Cartridge Style | FLUSH |
| Primary Lamp Type | INCANDESCENT |
| Cartridge Overall Length | 1.050 INCHES NOMINAL IN |
| 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 |
|---|---|
| 2391023 PRIMARY | International Business Machines Corp Parts Order Center Dept E - 54 (USA) |
| Reference | Meaning |
|---|---|
| 2391023 | 5/9 Secondary reference International Business Machines Corporation Dba IBM |
NSN 6240-01-012-3976 is a Lamp,cartridge, manufactured by International Business Machines Corp Parts Order Center Dept E - 54, classified under FSC 6240, Electric Lamps. Status: active.
NSN 6240-01-012-3976 has 1 manufacturer part number on file: 2391023 (International Business Machines Corp Parts Order Center Dept E - 54).
Key specifications for 2391023: Cartridge Overall Diameter: 0.245 INCHES NOMINAL IN; Base Style: SUB-MINIATURE TWO PIN; Cartridge Style: FLUSH; Primary Lamp Type: INCANDESCENT. 5 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.