The Lamp,incandescent, cataloged under National Stock Number 6240-01-313-6853, 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 11 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6240-01-313-6853 |
| Primary Part Number | 150A21/FR/HD-3.5M |
| Item Name | Lamp,incandescent |
| FSC / FSG | 6240 / 62 — Electric Lamps |
| Manufacturer | Westron Corporation Dba Westron Lighting |
| Status | ACTIVE |
| Bulb Light Transmission Characteristic | TRANSLUCENT |
| Base Style | MEDIUM SCREW |
| Rated Average Life | HOURS |
| Bulb Designator | A-21 |
| Filament Heavy Duty Service Rating | NOT RATED |
| Wattage Rating | 150.000 WATTS |
| Emitted Light Characteristic | COLORLESS |
| Light Output Rating | 2100.000 LUMENS NOMINAL SINGLE RATING |
| Bulb Style | A (ARBITRARY DESIGNATION) |
| Voltage Rating | 125.000 VOLTS MINIMUM AND 130.000 VOLTS MAXIMUM |
| Average Life Rating in Hours | 3500.0 |
| 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 |
|---|---|
| 150A21/FR/HD-3.5M PRIMARY | Westron Corporation Dba Westron Lighting (USA) |
| 10122 | Westron Corporation Dba Westron Lighting (USA) |
NSN 6240-01-313-6853 is a Lamp,incandescent, manufactured by Westron Corporation Dba Westron Lighting, classified under FSC 6240, Electric Lamps. Status: active.
NSN 6240-01-313-6853 has 2 manufacturer part numbers on file: 150A21/FR/HD-3.5M (Westron Corporation Dba Westron Lighting), 10122 (Westron Corporation Dba Westron Lighting).
Key specifications for 150A21/FR/HD-3.5M: Bulb Light Transmission Characteristic: TRANSLUCENT; Base Style: MEDIUM SCREW; Rated Average Life: HOURS; Bulb Designator: A-21. 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.