The Light,navigational,marine, cataloged under National Stock Number 6220-00-643-0857, is classified within Federal Supply Class 6220 (Electric Vehicular Lights and Fixtures) of the Lighting Fixtures and Lamps group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 6220-00-643-0857 |
| Item Name | Light,navigational,marine |
| FSC / FSG | 6220 / 62 — Electric Vehicular Lights and Fixtures |
| Status | ACTIVE |
| Lens Color | RED |
| Overall Diameter | 5.500 INCHES NOMINAL IN |
| Mounting Method | UNTHREADED HOLE(S) |
| Shape | STRAIGHT |
| Lamp Base Type Accommodated | CANDELABRA SCREW |
| Lens Transparency | TRANSPARENT |
| Surface Treatment | ENAMEL BODY |
| Lamp Type Accommodated and Quantity | 6 INCANDESCENT |
| Material | COPPER ALLOY BODY |
| Lens Surface Condition | SMOOTH BACK |
| Lens Surface Condition | FRESNEL FACE |
| Lens Type and Quantity | 1 CYLINDRICAL, FLUTED, SHORT |
| Nominal Visibility Arc in Deg | 360.0 HORIZONTAL |
| Voltage Rating in Volts | 120.0 AC NOMINAL |
| Hazardous Locations/environmental Protection | SPLASHPROOF AND VIBRATION PROOF AND SALT SPRAY RESISTANT AND SHOCK RESISTANT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 9S4335L190-1 | 5/9 Secondary reference U.S. Government activity |
| M24560/4-001 | 2/2 Government specification standardization U.S. Government activity |
| MIL-L24560/4 | 4/1 Identification reference U.S. Government activity |
| 9S4335L | 5/9 Secondary reference U.S. Government activity |
NSN 6220-00-643-0857 is a Light,navigational,marine, classified under FSC 6220, Electric Vehicular Lights and Fixtures. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 5365-01-217-2314, 5330-01-364-5829. Verify interchangeability with system specifications before substitution.
Key specifications for 6220-00-643-0857: Lens Color: RED; Overall Diameter: 5.500 INCHES NOMINAL IN; Mounting Method: UNTHREADED HOLE(S); Shape: STRAIGHT. 15 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.