The Lamp,incandescent, cataloged under National Stock Number 6240-01-066-4091, is classified within Federal Supply Class 6240 (Electric Lamps) of the Lighting Fixtures and Lamps group. The manufacturer of record is Norman Lamps Inc. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 9 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 6240-01-066-4091 |
| Primary Part Number | 7876 |
| Item Name | Lamp,incandescent |
| FSC / FSG | 6240 / 62 — Electric Lamps |
| Manufacturer | Norman Lamps Inc |
| Status | ACTIVE |
| Bulb Light Transmission Characteristic | TRANSPARENT |
| Filament Designation | C-2F |
| Base Style | SUB-MINIATURE TWO PIN |
| Rated Average Life | HOURS |
| Bulb Designator | T-1 3/4 |
| Filament Heavy Duty Service Rating | NOT RATED |
| Specification/standard Data | 08108-7876 MANUFACTURERS STANDARD |
| Wattage Rating | 1.680 WATTS |
| Emitted Light Characteristic | COLORLESS |
| Light Output Rating | 0.340 SPHERICAL CANDLEPOWER NOMINAL SINGLE RATING |
| Light Center Length | 0.500 INCHES NOMINAL IN |
| Bulb Style | T (TUBULAR) |
| Current Rating for Which Designed | 0.060 AMPERES NOMINAL |
| Voltage Rating | 28.000 VOLTS NOMINAL |
| Average Life Rating in Hours | 25000.0 |
| 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 |
|---|---|
| 7876 PRIMARY | Norman Lamps Inc (USA) |
| 7876 | Te Connectivity Corporation (USA) |
| 018-100022 | Charles Industries, Llc Div Telecom (USA) |
| CM7-7876 PRIMARY | Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron (USA) |
| 1803141 | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
| ML-7876 PRIMARY | Micro Lamps Inc. (USA) |
| 448 | Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch (USA) |
| 7876 | Industrial Electronic Engineers, Inc. (USA) |
| LA448 | Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch (USA) |
| Reference | Meaning |
|---|---|
| PL7876 | 5/9 Secondary reference Precision Lamp Inc |
| 1803141 | C/1 Advisory reference — outside the item-of-supply concept Northrop Grumman Systems Corporation |
| 7876 | 3/1 Design control — primary reference Lamp Industry for Use with Industry Designations and Abbreviations for Lamps |
| 2400-02-0013 | 5/9 Secondary reference Wavetek U S Inc Div of Wavetek Corp |
| 7876 | 5/9 Secondary reference U.S. Government activity |
NSN 6240-01-066-4091 is a Lamp,incandescent, manufactured by Norman Lamps Inc, classified under FSC 6240, Electric Lamps. Status: active.
NSN 6240-01-066-4091 has 9 manufacturer part numbers on file: 7876 (Norman Lamps Inc), 7876 (Te Connectivity Corporation), 018-100022 (Charles Industries, Llc Div Telecom), CM7-7876 (Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron), 1803141 (Lockheed Martin Corporation Div Rms - Mitchel Field) and 4 more.
1 possible match (shared part number, not a government interchangeability claim): 4320-01-617-2346. Verify interchangeability with system specifications before substitution.
Key specifications for 7876: Bulb Light Transmission Characteristic: TRANSPARENT; Filament Designation: C-2F; Base Style: SUB-MINIATURE TWO PIN; 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.