The Lamp,incandescent, cataloged under National Stock Number 6240-01-081-9555, is classified within Federal Supply Class 6240 (Electric Lamps) of the Lighting Fixtures and Lamps group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6240-01-081-9555 |
| Item Name | Lamp,incandescent |
| FSC / FSG | 6240 / 62 — Electric Lamps |
| Status | ACTIVE |
| Bulb Light Transmission Characteristic | TRANSPARENT |
| Filament Designation | CC-8 |
| Base Style | MINIATURE SCREW |
| Rated Average Life | HOURS |
| Bulb Designator | T-3 |
| Filament Heavy Duty Service Rating | NOT RATED |
| Wattage Rating | 350.000 WATTS |
| Emitted Light Characteristic | COLORLESS |
| Light Output Rating | 9800.000 LUMENS NOMINAL SINGLE RATING |
| Light Center Length | 1.094 INCHES NOMINAL IN |
| Bulb Style | T (TUBULAR) |
| Color Temp in Deg Kelvin | 3400.0 |
| Voltage Rating | 30.000 VOLTS NOMINAL |
| Average Life Rating in Hours | 6.0 |
| 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 |
|---|---|
| FBW | 3/2 Design control — primary reference U.S. Government activity |
| FBW | 5/2 Secondary reference U.S. Government activity |
NSN 6240-01-081-9555 is a Lamp,incandescent, classified under FSC 6240, Electric Lamps. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 4330-01-178-8740. Verify interchangeability with system specifications before substitution.
Key specifications for 6240-01-081-9555: Bulb Light Transmission Characteristic: TRANSPARENT; Filament Designation: CC-8; Base Style: MINIATURE SCREW; Rated Average Life: HOURS. 14 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.