The Lamp,incandescent, cataloged under National Stock Number 6240-01-186-9975, is classified within Federal Supply Class 6240 (Electric Lamps) of the Lighting Fixtures and Lamps group. The manufacturer of record is Glamox Aqua Signal Corporation. Government technical data includes 10 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6240-01-186-9975 |
| Primary Part Number | E-9040017100 |
| Item Name | Lamp,incandescent |
| FSC / FSG | 6240 / 62 — Electric Lamps |
| Manufacturer | Glamox Aqua Signal Corporation |
| Status | ACTIVE |
| Bulb Light Transmission Characteristic | TRANSPARENT |
| Base Style | P28S/33 (MEDIUM PREFOCUS) |
| Rated Average Life | NOT RATED |
| Bulb Designator | T-12 |
| Filament Heavy Duty Service Rating | NOT RATED |
| Wattage Rating | 40.000 WATTS |
| Emitted Light Characteristic | COLORLESS |
| Bulb Style | T (TUBULAR) |
| Current Rating for Which Designed | 1.666 AMPERES NOMINAL |
| Voltage Rating | 24.000 VOLTS 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 |
|---|---|
| E-9040017100 PRIMARY | Glamox Aqua Signal Corporation (USA) |
| Reference | Meaning |
|---|---|
| 904-00171 | 5/9 Secondary reference Glamox Aqua Signal Corporation |
| 90400171 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 901-71-1 | 5/9 Secondary reference Glamox Aqua Signal Corporation |
NSN 6240-01-186-9975 is a Lamp,incandescent, manufactured by Glamox Aqua Signal Corporation, classified under FSC 6240, Electric Lamps. Status: active.
NSN 6240-01-186-9975 has 1 manufacturer part number on file: E-9040017100 (Glamox Aqua Signal Corporation).
1 possible match (shared part number, not a government interchangeability claim): 5935-01-444-9236. Verify interchangeability with system specifications before substitution.
Key specifications for E-9040017100: Bulb Light Transmission Characteristic: TRANSPARENT; Base Style: P28S/33 (MEDIUM PREFOCUS); Rated Average Life: NOT RATED; Bulb Designator: T-12. 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.