The Lamp,incandescent, cataloged under National Stock Number 6240-00-155-7778, is classified within Federal Supply Class 6240 (Electric Lamps) of the Lighting Fixtures and Lamps group. The manufacturer of record is Lamp Industry for Use with Industry Designations and Abbreviations for Lamps. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6240-00-155-7778 |
| Primary Part Number | 4500 |
| Item Name | Lamp,incandescent |
| FSC / FSG | 6240 / 62 — Electric Lamps |
| Manufacturer | Lamp Industry for Use with Industry Designations and Abbreviations for Lamps |
| Status | ACTIVE |
| Bulb Light Transmission Characteristic | TRANSPARENT |
| Filament Designation | 5C-8 |
| Base Style | TWO SCREW TERMINALS |
| Rated Average Life | HOURS |
| Bulb Designator | PAR-36 |
| Features Provided | HEAT RESISTANT GLASS |
| Filament Heavy Duty Service Rating | NOT RATED |
| Wattage Rating | 85.800 WATTS |
| Emitted Light Characteristic | COLORLESS |
| Bulb Style | PAR (PARABOLIC, ALUMINIZED REFLECTOR) |
| Light Intensity Distribution Feature | PARABOLIC REFLECTOR |
| Current Rating for Which Designed | 6.600 AMPERES NOMINAL |
| Voltage Rating | 13.000 VOLTS NOMINAL |
| Average Life Rating in Hours | 50.0 |
| 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 |
|---|---|
| 4500 PRIMARY | Lamp Industry for Use with Industry Designations and Abbreviations for Lamps |
| Reference | Meaning |
|---|---|
| WL50 | 4/1 Identification reference U.S. Government activity |
NSN 6240-00-155-7778 is a Lamp,incandescent, manufactured by Lamp Industry for Use with Industry Designations and Abbreviations for Lamps, classified under FSC 6240, Electric Lamps. Status: active.
NSN 6240-00-155-7778 has 1 manufacturer part number on file: 4500 (Lamp Industry for Use with Industry Designations and Abbreviations for Lamps).
Key specifications for 4500: Bulb Light Transmission Characteristic: TRANSPARENT; Filament Designation: 5C-8; Base Style: TWO SCREW TERMINALS; 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.