The Lamp,mercury Vapor, cataloged under National Stock Number 6240-01-226-2902, is classified within Federal Supply Class 6240 (Electric Lamps) of the Lighting Fixtures and Lamps group. The manufacturer of record is Duro-Test Lighting. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 6240-01-226-2902 |
| Primary Part Number | 954 |
| Item Name | Lamp,mercury Vapor |
| FSC / FSG | 6240 / 62 — Electric Lamps |
| Manufacturer | Duro-Test Lighting |
| Status | ACTIVE |
| Bulb Light Transmission Characteristic | TRANSLUCENT |
| Base Style | MOGUL SCREW |
| Rated Average Life | HOURS |
| Bulb Designator | R-57 |
| Burning Position | BASE UP TO 20 DEGREES ABOVE HORIZONTAL |
| Wattage Rating | 750.000 WATTS |
| Emitted Light Characteristic | WHITE, DELUXE |
| Light Output Rating | 17000.000 LUMENS NOMINAL SINGLE RATING |
| Bulb Style | R (REFLECTOR) |
| Light Intensity Distribution Feature | PARABOLIC REFLECTOR |
| Voltage Rating | 270.000 VOLTS NOMINAL |
| Average Life Rating in Hours | 18000.0 AND 20000.0 |
| 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 |
|---|---|
| 954 PRIMARY | Duro-Test Lighting (USA) |
| Reference | Meaning |
|---|---|
| 954 | 5/9 Secondary reference U.S. Government activity |
NSN 6240-01-226-2902 is a Lamp,mercury Vapor, manufactured by Duro-Test Lighting, classified under FSC 6240, Electric Lamps. Status: active.
NSN 6240-01-226-2902 has 1 manufacturer part number on file: 954 (Duro-Test Lighting).
Key specifications for 954: Bulb Light Transmission Characteristic: TRANSLUCENT; Base Style: MOGUL SCREW; Rated Average Life: HOURS; Bulb Designator: R-57. 12 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.