The Lamp,incandescent, cataloged under National Stock Number 6240-01-485-7739, is classified within Federal Supply Class 6240 (Electric Lamps) of the Lighting Fixtures and Lamps group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6240-01-485-7739 |
| Item Name | Lamp,incandescent |
| FSC / FSG | 6240 / 62 — Electric Lamps |
| Status | ACTIVE |
| Bulb Light Transmission Characteristic | TRANSPARENT |
| Base Style | SINGLE CONTACT MINIATURE FLANGED |
| Rated Average Life | NOT RATED |
| Bulb Designator | T-1 3/4 |
| Filament Heavy Duty Service Rating | NOT RATED |
| Emitted Light Characteristic | GREEN A |
| Bulb Style | B (ARBITRARY DESIGNATION) |
| Current Rating for Which Designed | 0.120 AMPERES NOMINAL |
| Voltage Rating | 5.000 VOLTS NOMINAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| WI-555SA05GA | 3/2 Design control — primary reference U.S. Government activity |
| WI-555SA05GA | 5/9 Secondary reference Dupree Inc Western Indicator Co Div |
NSN 6240-01-485-7739 is a Lamp,incandescent, classified under FSC 6240, Electric Lamps. Status: active.
Key specifications for 6240-01-485-7739: Bulb Light Transmission Characteristic: TRANSPARENT; Base Style: SINGLE CONTACT MINIATURE FLANGED; Rated Average Life: NOT RATED; Bulb Designator: T-1 3/4. 9 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.