The Lamp,incandescent, cataloged under National Stock Number 6240-01-686-6922, is classified within Federal Supply Class 6240 (Electric Lamps) of the Lighting Fixtures and Lamps group. The manufacturer of record is All-Phase Electric Supply Co. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 6240-01-686-6922 |
| Primary Part Number | HALCO BR40CL250/1/CSTF |
| Item Name | Lamp,incandescent |
| FSC / FSG | 6240 / 62 — Electric Lamps |
| Manufacturer | All-Phase Electric Supply Co |
| Status | ACTIVE |
| Bulb Light Transmission Characteristic | TRANSPARENT |
| Base Style | MEDIUM SCREW |
| Bulb Designator | BR40 |
| Wattage Rating | 250.0 WATTS |
| Special Handling Feature | FRAGILE |
| Voltage Rating | 120.0 VOLTS NOMINAL |
| Average Life Rating in Hours | 5000.0 |
| 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 |
|---|---|
| HALCO BR40CL250/1/CSTF | All-Phase Electric Supply Co (USA) |
| Reference | Meaning |
|---|---|
| 404066 | 3/2 Design control — primary reference U.S. Government activity |
NSN 6240-01-686-6922 is a Lamp,incandescent, manufactured by All-Phase Electric Supply Co, classified under FSC 6240, Electric Lamps. Status: active.
NSN 6240-01-686-6922 has 1 manufacturer part number on file: HALCO BR40CL250/1/CSTF (All-Phase Electric Supply Co).
Key specifications for HALCO BR40CL250/1/CSTF: Bulb Light Transmission Characteristic: TRANSPARENT; Base Style: MEDIUM SCREW; Bulb Designator: BR40; Overall Length: 6.56 INCHES MAXIMUM IN. 7 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.