The Lamp Unit,vehicular, cataloged under National Stock Number 6220-01-250-0171, is classified within Federal Supply Class 6220 (Electric Vehicular Lights and Fixtures) of the Lighting Fixtures and Lamps group. The manufacturer of record is J. W. Speaker Corporation Dba Jw Speaker Corp. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6220-01-250-0171 |
| Primary Part Number | 1229602 |
| Item Name | Lamp Unit,vehicular |
| FSC / FSG | 6220 / 62 — Electric Vehicular Lights and Fixtures |
| Manufacturer | J. W. Speaker Corporation Dba Jw Speaker Corp |
| Status | ACTIVE |
| Lamp Type Accommodated and Quantity | 1 INCANDESCENT |
| Voltage Rating in Volts | 12.0 DC 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 |
|---|---|
| 1229602 PRIMARY | J. W. Speaker Corporation Dba Jw Speaker Corp (USA) |
| Reference | Meaning |
|---|---|
| 520/H4666-12V | 5/9 Secondary reference J. W. Speaker Corporation Dba Jw Speaker Corp |
NSN 6220-01-250-0171 is a Lamp Unit,vehicular, manufactured by J. W. Speaker Corporation Dba Jw Speaker Corp, classified under FSC 6220, Electric Vehicular Lights and Fixtures. Status: active.
NSN 6220-01-250-0171 has 1 manufacturer part number on file: 1229602 (J. W. Speaker Corporation Dba Jw Speaker Corp).
Key specifications for 1229602: Special Features: LOW AND HIGH BEAM; Lamp Type Accommodated and Quantity: 1 INCANDESCENT; End Item Identification: TRACTOR,AIRCRAFT TOWING,A/S32U-30; Voltage Rating in Volts: 12.0 DC NOMINAL. 2 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.