The Light,navigational,marine, cataloged under National Stock Number 6220-01-508-4974, is classified within Federal Supply Class 6220 (Electric Vehicular Lights and Fixtures) of the Lighting Fixtures and Lamps group. The manufacturer of record is Glamox Aqua Signal Corporation. 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 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 | 6220-01-508-4974 |
| Primary Part Number | 25200-7 |
| Item Name | Light,navigational,marine |
| FSC / FSG | 6220 / 62 — Electric Vehicular Lights and Fixtures |
| Manufacturer | Glamox Aqua Signal Corporation |
| Status | ACTIVE |
| Shape | IRREGULAR |
| Lamp Base Type Accommodated | CYLINDRICAL |
| Lamp Type Accommodated and Quantity | 1 INCANDESCENT |
| Material | PLASTIC POLYCARBONATE BODY |
| Material | PLASTIC POLYCARBONATE LENS |
| Voltage Rating in Volts | 12.0 DC NOMINAL |
| Hazardous Locations/environmental Protection | SALT WATER RESISTANT |
| 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 |
|---|---|
| 25200-7 PRIMARY | Glamox Aqua Signal Corporation (USA) |
NSN 6220-01-508-4974 is a Light,navigational,marine, manufactured by Glamox Aqua Signal Corporation, classified under FSC 6220, Electric Vehicular Lights and Fixtures. Status: active.
NSN 6220-01-508-4974 has 1 manufacturer part number on file: 25200-7 (Glamox Aqua Signal Corporation).
1 possible match (shared part number, not a government interchangeability claim): 6515-01-629-9787. Verify interchangeability with system specifications before substitution.
Key specifications for 25200-7: Overall Height: 3.000 INCHES NOMINAL IN; Shape: IRREGULAR; Overall Width: 2.500 INCHES NOMINAL IN; Lamp Base Type Accommodated: CYLINDRICAL. 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.