The Lamp,incandescent, cataloged under National Stock Number 6240-01-040-8138, is classified within Federal Supply Class 6240 (Electric Lamps) of the Lighting Fixtures and Lamps group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 6240-01-040-8138 |
| Item Name | Lamp,incandescent |
| FSC / FSG | 6240 / 62 — Electric Lamps |
| Status | ACTIVE |
| Bulb Light Transmission Characteristic | TRANSPARENT |
| Filament Designation | C-2F |
| Base Style | MIDGET GROOVED |
| Rated Average Life | HOURS |
| Bulb Designator | T-1 3/4 |
| Filament Heavy Duty Service Rating | NOT RATED |
| Specification/standard Data | 08108-7356 MANUFACTURERS STANDARD |
| Wattage Rating | 1.820 WATTS |
| Emitted Light Characteristic | COLORLESS |
| Light Output Rating | 0.650 SPHERICAL CANDLEPOWER NOMINAL SINGLE RATING |
| Light Center Length | 0.375 INCHES NOMINAL IN |
| Bulb Style | T (TUBULAR) |
| Current Rating for Which Designed | 0.065 AMPERES NOMINAL |
| Voltage Rating | 28.000 VOLTS NOMINAL |
| Average Life Rating in Hours | 5000.0 |
| 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 |
|---|---|
| 695332-1 | 5/9 Secondary reference Raytheon Company Div Corp |
| PL7356 | 5/9 Secondary reference Precision Lamp Inc |
| 7356 | 3/9 Design control — primary reference Lamp Industry for Use with Industry Designations and Abbreviations for Lamps |
| 695332-1 | 5/9 Secondary reference Raytheon Company Dba Raytheon Co |
| CM7356 | 5/9 Secondary reference Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron |
| LTX7356 | 5/9 Secondary reference Lamptronix Co Ltd |
NSN 6240-01-040-8138 is a Lamp,incandescent, classified under FSC 6240, Electric Lamps. Status: active.
4 possible matches (shared part number, not a government interchangeability claim): 5930-01-315-8951, 6850-01-429-5862, 6220-01-601-1663. Verify interchangeability with system specifications before substitution.
Key specifications for 6240-01-040-8138: Bulb Light Transmission Characteristic: TRANSPARENT; Filament Designation: C-2F; Base Style: MIDGET GROOVED; Rated Average Life: HOURS. 15 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.