The Lamp,mercury Vapor, cataloged under National Stock Number 6240-01-074-6962, is classified within Federal Supply Class 6240 (Electric Lamps) of the Lighting Fixtures and Lamps group. The manufacturer of record is Westron Corporation Dba Westron Lighting. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 6240-01-074-6962 |
| Primary Part Number | 38108 |
| Item Name | Lamp,mercury Vapor |
| FSC / FSG | 6240 / 62 — Electric Lamps |
| Manufacturer | Westron Corporation Dba Westron Lighting |
| Status | ACTIVE |
| Bulb Light Transmission Characteristic | TRANSLUCENT |
| Base Style | MOGUL SCREW |
| Rated Average Life | HOURS |
| Bulb Designator | R-57 |
| Burning Position | BASE UP |
| Wattage Rating | 750.000 WATTS |
| Emitted Light Characteristic | WHITE |
| Light Output Rating | 11200.000 LUMENS NOMINAL SINGLE RATING |
| Light Center Length | 8.375 INCHES NOMINAL IN |
| Bulb Style | R (REFLECTOR) |
| Light Intensity Distribution Feature | INSIDE FROSTED AND PROXIMITY REFLECTOR |
| Voltage Rating | 120.000 VOLTS NOMINAL |
| Average Life Rating in Hours | 16000.0 |
| 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 |
|---|---|
| HSB750R/120 | General Electric Company Dba Ge (USA) |
| 38108 PRIMARY | Westron Corporation Dba Westron Lighting (USA) |
| Reference | Meaning |
|---|---|
| B78YC-750 | 5/9 Secondary reference U.S. Government activity |
| S750R57-120V | 5/9 Secondary reference Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company |
| B78YE-750 | 5/2 Secondary reference U.S. Government activity |
| S750R57 | 5/9 Secondary reference Westinghouse Electric Corp |
NSN 6240-01-074-6962 is a Lamp,mercury Vapor, manufactured by Westron Corporation Dba Westron Lighting, classified under FSC 6240, Electric Lamps. Status: active.
NSN 6240-01-074-6962 has 2 manufacturer part numbers on file: HSB750R/120 (General Electric Company Dba Ge), 38108 (Westron Corporation Dba Westron Lighting).
2 possible matches (shared part number, not a government interchangeability claim): 3120-01-269-6385, 5120-01-581-0838. Verify interchangeability with system specifications before substitution.
Key specifications for 38108: Bulb Light Transmission Characteristic: TRANSLUCENT; Base Style: MOGUL SCREW; Rated Average Life: HOURS; Bulb Designator: R-57. 13 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.