The Lamp,mercury Vapor, cataloged under National Stock Number 6240-01-255-5080, is classified within Federal Supply Class 6240 (Electric Lamps) of the Lighting Fixtures and Lamps group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 6240-01-255-5080 |
| Item Name | Lamp,mercury Vapor |
| FSC / FSG | 6240 / 62 — Electric Lamps |
| Status | ACTIVE |
| Bulb Light Transmission Characteristic | TRANSLUCENT |
| Base Style | MEDIUM SCREW |
| Rated Average Life | HOURS |
| Bulb Designator | E23 1/2 |
| Burning Position | BASE DOWN TO HORIZONTAL |
| Wattage Rating | 160.000 WATTS |
| Emitted Light Characteristic | WHITE, DELUXE |
| Light Output Rating | 3125.000 LUMENS NOMINAL SINGLE RATING |
| Bulb Style | E (ELIPTICAL) |
| Voltage Rating | 120.000 VOLTS NOMINAL |
| Average Life Rating in Hours | 12000.0 |
| 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 |
|---|---|
| L821 | 3/9 Design control — primary reference Verd-a-Ray Corp Sub of North American Philips Lighting Corp |
NSN 6240-01-255-5080 is a Lamp,mercury Vapor, classified under FSC 6240, Electric Lamps. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 6520-01-434-7824. Verify interchangeability with system specifications before substitution.
Key specifications for 6240-01-255-5080: Bulb Light Transmission Characteristic: TRANSLUCENT; Base Style: MEDIUM SCREW; Rated Average Life: HOURS; Bulb Designator: E23 1/2. 11 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.