The Light,dome, cataloged under National Stock Number 6220-01-238-9183, is classified within Federal Supply Class 6220 (Electric Vehicular Lights and Fixtures) of the Lighting Fixtures and Lamps group. The manufacturer of record is Perko Inc. Government technical data includes 20 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 6220-01-238-9183 |
| Primary Part Number | 1253 DP1 WHT |
| Item Name | Light,dome |
| FSC / FSG | 6220 / 62 — Electric Vehicular Lights and Fixtures |
| Manufacturer | Perko Inc |
| Status | ACTIVE |
| Illumination Directing Device Type | INTERNAL REFLECTOR |
| Lens Color | WHITE |
| Overall Diameter | 5.000 INCHES NOMINAL IN |
| Mounting Method | UNTHREADED HOLE(S) |
| Shape | ROUND |
| Features Provided | SWITCH |
| Lamp Base Type Accommodated | DOUBLE CONTACT BAYONET CANDELABRA |
| Wiring Provision Method | CABLE |
| Lens Transparency | TRANSLUCENT |
| Surface Treatment | CHROMIUM BODY |
| Lamp Type Accommodated and Quantity | 1 INCANDESCENT |
| Material | COPPER ALLOY BODY |
| Material | GLASS LENS |
| Material | STEEL CORROSION RESISTING REFLECTOR |
| Terminal Type and Quantity | 1 WIRE LEAD |
| Lens Surface Condition | SMOOTH FACE |
| Lens Surface Condition | CROSS HATCHED BACK |
| Lens Type and Quantity | 1 PLANO CONVEX |
| Voltage Rating in Volts | 12.0 DC NOMINAL |
| Hazardous Locations/environmental Protection | WATERTIGHT |
| 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 |
|---|---|
| 1253 DP1 WHT PRIMARY | Perko Inc (USA) |
| Reference | Meaning |
|---|---|
| 1266 | 5/9 Secondary reference Perko Inc |
| 1253 001 WHT | 5/9 Secondary reference Perko Inc |
NSN 6220-01-238-9183 is a Light,dome, manufactured by Perko Inc, classified under FSC 6220, Electric Vehicular Lights and Fixtures. Status: active.
NSN 6220-01-238-9183 has 1 manufacturer part number on file: 1253 DP1 WHT (Perko Inc).
1 possible match (shared part number, not a government interchangeability claim): 6220-01-670-1662. Verify interchangeability with system specifications before substitution.
Key specifications for 1253 DP1 WHT: Illumination Directing Device Type: INTERNAL REFLECTOR; Lens Color: WHITE; Overall Diameter: 5.000 INCHES NOMINAL IN; Mounting Method: UNTHREADED HOLE(S). 20 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.