The Lamp,incandescent, cataloged under National Stock Number 6240-01-554-4277, is classified within Federal Supply Class 6240 (Electric Lamps) of the Lighting Fixtures and Lamps group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 6240-01-554-4277 |
| Item Name | Lamp,incandescent |
| FSC / FSG | 6240 / 62 — Electric Lamps |
| Status | ACTIVE |
| Bulb Light Transmission Characteristic | TRANSPARENT |
| Base Style | SUB-MIDGET FLANGED |
| Rated Average Life | HOURS |
| Bulb Designator | T-1 |
| Filament Heavy Duty Service Rating | NOT RATED |
| Wattage Rating | 0.740 WATTS |
| Emitted Light Characteristic | COLORLESS |
| Light Output Rating | 0.130 CANDLEPOWER PER SQUARE MILLIMETER NOMINAL SINGLE RATING |
| Bulb Style | B (ARBITRARY DESIGNATION) |
| Current Rating for Which Designed | 0.024 AMPERES NOMINAL |
| Voltage Rating | 28.000 VOLTS NOMINAL |
| Average Life Rating in Hours | 4000.0 |
| 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 |
|---|---|
| M6363/6-5-S | 2/2 Government specification standardization U.S. Government activity |
| MIL-DTL-6363/6 | 4/1 Identification reference U.S. Government activity |
NSN 6240-01-554-4277 is a Lamp,incandescent, classified under FSC 6240, Electric Lamps. Status: active.
Key specifications for 6240-01-554-4277: Bulb Light Transmission Characteristic: TRANSPARENT; Base Style: SUB-MIDGET FLANGED; Rated Average Life: HOURS; Bulb Designator: T-1. 12 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.