The Lamp,incandescent, cataloged under National Stock Number 6240-01-083-7300, is classified within Federal Supply Class 6240 (Electric Lamps) of the Lighting Fixtures and Lamps group. The manufacturer of record is Amglo Kemlite Laboratories, Inc. Div Xenon. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 6240-01-083-7300 |
| Primary Part Number | Q4559X |
| Item Name | Lamp,incandescent |
| FSC / FSG | 6240 / 62 — Electric Lamps |
| Manufacturer | Amglo Kemlite Laboratories, Inc. Div Xenon |
| Status | ACTIVE |
| Filament Designation | CC-6 |
| Base Style | TWO SCREW TERMINALS |
| Rated Average Life | HOURS |
| Wattage Rating | 600.000 WATTS |
| Bulb Style | PAR (PARABOLIC, ALUMINIZED REFLECTOR) |
| Voltage Rating | 28.000 VOLTS NOMINAL |
| Average Life Rating in Hours | 100.0 |
| 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 |
|---|---|
| Q4559X | Amglo Kemlite Laboratories, Inc. Div Xenon (USA) |
| CMQ4559X | Cml Innovative Technologies Ltd (GBR) |
| 3057576 | Safran Electronics & Defense (ex Safran Electronics & Defense Cockpit Solutions) (FRA) |
| Q4559X | General Electric Company Dba Ge (USA) |
| Q4559X | Uptolight (FRA) |
| Reference | Meaning |
|---|---|
| Q4559X | 5/9 Secondary reference General Electric Co Miniature Lamp Products Dept Lighting Business Group |
| Q4559X | 5/9 Secondary reference Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company |
| 6240PL1740037 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| Q4559X | 5/9 Secondary reference Dube, Dietmar Gmbh Aerotechnik |
| 3057576 | 5/9 Secondary reference Teleflex Syneravia Sa |
| Q4559X | 3/9 Design control — primary reference Osram Sylvania Inc. |
NSN 6240-01-083-7300 is a Lamp,incandescent, manufactured by Amglo Kemlite Laboratories, Inc. Div Xenon, classified under FSC 6240, Electric Lamps. Status: active.
NSN 6240-01-083-7300 has 5 manufacturer part numbers on file: Q4559X (Amglo Kemlite Laboratories, Inc. Div Xenon), CMQ4559X (Cml Innovative Technologies Ltd), 3057576 (Safran Electronics & Defense (ex Safran Electronics & Defense Cockpit Solutions)), Q4559X (General Electric Company Dba Ge), Q4559X (Uptolight).
2 possible matches (shared part number, not a government interchangeability claim): 6240-01-669-4411, 6240-01-678-1497. Verify interchangeability with system specifications before substitution.
Key specifications for Q4559X: Filament Designation: CC-6; Base Style: TWO SCREW TERMINALS; Rated Average Life: HOURS; Overall Length: 8.000 INCHES NOMINAL 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.