The Lamp,incandescent, cataloged under National Stock Number 6240-00-044-5026, is classified within Federal Supply Class 6240 (Electric Lamps) of the Lighting Fixtures and Lamps group. The manufacturer of record is Westinghouse Electric Corp. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 6 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 6240-00-044-5026 |
| Primary Part Number | PR15 |
| Item Name | Lamp,incandescent |
| FSC / FSG | 6240 / 62 — Electric Lamps |
| Manufacturer | Westinghouse Electric Corp |
| Status | ACTIVE |
| Bulb Light Transmission Characteristic | TRANSPARENT |
| Filament Designation | C-2R |
| Base Style | SINGLE CONTACT MINIATURE FLANGED |
| Rated Average Life | HOURS |
| Bulb Designator | B-3 1/2 |
| Features Provided | FILAMENT SHIELDING AND HEAT RESISTANT GLASS |
| Filament Heavy Duty Service Rating | NOT RATED |
| Wattage Rating | 2.410 WATTS |
| Emitted Light Characteristic | COLORLESS |
| Light Center Length | 0.250 INCHES NOMINAL IN |
| Bulb Style | B (ARBITRARY DESIGNATION) |
| Current Rating for Which Designed | 0.500 AMPERES NOMINAL |
| Voltage Rating | 4.820 VOLTS NOMINAL |
| Average Life Rating in Hours | 30.0 |
| 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 |
|---|---|
| 1547116 | Borgwarner Pds (anderson), L.l.c. (USA) |
| PR15 | General Motors Llc Dba General Motors Llc (USA) |
| PR15 PRIMARY | Westinghouse Electric Corp (USA) |
| ML-PR-15 PRIMARY | Micro Lamps Inc. (USA) |
| PR15 | Borgwarner Pds (anderson), L.l.c. (USA) |
| 1547116 | General Motors Llc Dba General Motors Llc (USA) |
| Reference | Meaning |
|---|---|
| PR15 | 5/9 Secondary reference General Motors Corp Delco Remy Div |
| PR-15 | 5/9 Secondary reference Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company |
| PR15 | 5/1 Secondary reference Philips Electronics Nederland B.v. Div Philips Ip&s |
| 1547116 | 5/9 Secondary reference General Motors Corp Delco Remy Div |
NSN 6240-00-044-5026 is a Lamp,incandescent, manufactured by Westinghouse Electric Corp, classified under FSC 6240, Electric Lamps. Status: active.
NSN 6240-00-044-5026 has 6 manufacturer part numbers on file: 1547116 (Borgwarner Pds (anderson), L.l.c.), PR15 (General Motors Llc Dba General Motors Llc), PR15 (Westinghouse Electric Corp), ML-PR-15 (Micro Lamps Inc.), PR15 (Borgwarner Pds (anderson), L.l.c.) and 1 more.
2 possible matches (shared part number, not a government interchangeability claim): 6635-01-356-8238, 5120-01-728-7979. Verify interchangeability with system specifications before substitution.
Key specifications for PR15: Bulb Light Transmission Characteristic: TRANSPARENT; Filament Designation: C-2R; Base Style: SINGLE CONTACT MINIATURE FLANGED; 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.