The Lamp,incandescent, cataloged under National Stock Number 6240-01-139-3377, is classified within Federal Supply Class 6240 (Electric Lamps) of the Lighting Fixtures and Lamps group. The manufacturer of record is General Electric Company Dba Ge. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 4 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6240-01-139-3377 |
| Primary Part Number | EWR |
| Item Name | Lamp,incandescent |
| FSC / FSG | 6240 / 62 — Electric Lamps |
| Manufacturer | General Electric Company Dba Ge |
| Status | ACTIVE |
| Bulb Light Transmission Characteristic | TRANSPARENT |
| Base Style | TWO PIN PREFOCUS |
| Rated Average Life | NOT RATED |
| Bulb Designator | T-4 |
| Burning Position | BASE DOWN |
| Filament Heavy Duty Service Rating | NOT RATED |
| Wattage Rating | 150.000 WATTS |
| Emitted Light Characteristic | WHITE |
| Bulb Style | T (TUBULAR) |
| Current Rating for Which Designed | 6.600 AMPERES NOMINAL |
| 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 |
|---|---|
| EWR | Norman Lamps Inc (USA) |
| EWR | Amglo Kemlite Laboratories, Inc. Div Xenon (USA) |
| EWR PRIMARY | General Electric Company Dba Ge (USA) |
| 150W6.6AEWR | Norman Lamps Inc (USA) |
| Reference | Meaning |
|---|---|
| L6158 | C/1 Advisory reference — outside the item-of-supply concept Pastushin Aviation Co |
| EWR-150 | C/1 Advisory reference — outside the item-of-supply concept General Electric Company Dba Ge |
| 150W6-6AEWR | C/1 Advisory reference — outside the item-of-supply concept General Electric Company Dba Ge |
| 48A0044 | 5/9 Secondary reference Siemens Energy & Automation, Inc. Dba Siemens Airfield Solutions Div Siemens Energy & Automation Dba Siemens Airfield Solutions |
NSN 6240-01-139-3377 is a Lamp,incandescent, manufactured by General Electric Company Dba Ge, classified under FSC 6240, Electric Lamps. Status: active.
NSN 6240-01-139-3377 has 4 manufacturer part numbers on file: EWR (Norman Lamps Inc), EWR (Amglo Kemlite Laboratories, Inc. Div Xenon), EWR (General Electric Company Dba Ge), 150W6.6AEWR (Norman Lamps Inc).
Key specifications for EWR: Bulb Light Transmission Characteristic: TRANSPARENT; Base Style: TWO PIN PREFOCUS; Rated Average Life: NOT RATED; Bulb Designator: T-4. 10 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.