The Lamp,incandescent, cataloged under National Stock Number 6240-00-155-7809, is classified within Federal Supply Class 6240 (Electric Lamps) of the Lighting Fixtures and Lamps group. The manufacturer of record is Lamp Industry for Use with Industry Designations and Abbreviations for Lamps. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 6240-00-155-7809 |
| Primary Part Number | 40-0F |
| Item Name | Lamp,incandescent |
| FSC / FSG | 6240 / 62 — Electric Lamps |
| Manufacturer | Lamp Industry for Use with Industry Designations and Abbreviations for Lamps |
| Status | ACTIVE |
| Bulb Light Transmission Characteristic | TRANSLUCENT |
| Filament Designation | C-2R |
| Base Style | MINIATURE SCREW |
| Rated Average Life | HOURS |
| Bulb Designator | T-3 1/4 |
| Features Provided | FILAMENT SHIELDING AND HEAT RESISTANT GLASS |
| Filament Heavy Duty Service Rating | NOT RATED |
| Emitted Light Characteristic | WHITE |
| Bulb Style | T (TUBULAR) |
| Current Rating for Which Designed | 0.150 AMPERES NOMINAL |
| Average Life Rating in Hours | 3000.0 |
| 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 |
|---|---|
| 40-0F | Lamp Industry for Use with Industry Designations and Abbreviations for Lamps |
| Reference | Meaning |
|---|---|
| 40-0F | 3/9 Design control — primary reference General Electric Co Miniature Lamp Products Dept Lighting Business Group |
NSN 6240-00-155-7809 is a Lamp,incandescent, manufactured by Lamp Industry for Use with Industry Designations and Abbreviations for Lamps, classified under FSC 6240, Electric Lamps. Status: active.
NSN 6240-00-155-7809 has 1 manufacturer part number on file: 40-0F (Lamp Industry for Use with Industry Designations and Abbreviations for Lamps).
3 possible matches (shared part number, not a government interchangeability claim): 6625-00-403-6526, 5120-00-792-6353, 2040-01-543-3529. Verify interchangeability with system specifications before substitution.
Key specifications for 40-0F: Bulb Light Transmission Characteristic: TRANSLUCENT; Filament Designation: C-2R; Base Style: MINIATURE SCREW; Rated Average Life: HOURS. 11 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.