The Lamp Unit,vehicular, cataloged under National Stock Number 6220-01-183-4557, is classified within Federal Supply Class 6220 (Electric Vehicular Lights and Fixtures) of the Lighting Fixtures and Lamps group. The manufacturer of record is Federal-Mogul Corp Government Sales Dept. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 6220-01-183-4557 |
| Primary Part Number | 1011 |
| Item Name | Lamp Unit,vehicular |
| FSC / FSG | 6220 / 62 — Electric Vehicular Lights and Fixtures |
| Manufacturer | Federal-Mogul Corp Government Sales Dept |
| Status | ACTIVE |
| Lens Color | RED |
| Mounting Method | QUICK DISCONNECT COUPLING |
| Shape | ROUND |
| Lamp Base Type Accommodated | WEDGE |
| Lens Transparency | TRANSLUCENT |
| Lamp Type Accommodated and Quantity | 1 INCANDESCENT |
| Material | PLASTIC POLYCARBONATE BASE |
| Material | PLASTIC POLYCARBONATE LENS |
| Terminal Type and Quantity | 2 QUICK DISCONNECT, FEMALE |
| Lens Surface Condition | SMOOTH FACE |
| Lens Surface Condition | CONCENTRIC RINGS BACK |
| Lens Type and Quantity | 1 PLANO CONVEX |
| Voltage Rating in Volts | 12.0 DC NOMINAL |
| Hazardous Locations/environmental Protection | HERMETICALLY SEALED |
| 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 |
|---|---|
| NTX4557 | Netex Industries Dba Northeast Texas Industries Inc. (USA) |
| 1011 PRIMARY | Federal-Mogul Corp Government Sales Dept (USA) |
| 10205R PRIMARY | Truck-Lite Co., Llc (USA) |
| Reference | Meaning |
|---|---|
| 13715370 | 7/2 Vendor item drawing reference Us Army Aviation and Missile Command |
| 1011 | 5/9 Secondary reference Signal-Stat Corp |
| 571-0601 | 5/9 Secondary reference Concord Instruments Corp |
| P84-25-05 | 5/9 Secondary reference Air-a-Plane Corp |
| 143R | 5/9 Secondary reference Peterson Mfg Co |
NSN 6220-01-183-4557 is a Lamp Unit,vehicular, manufactured by Federal-Mogul Corp Government Sales Dept, classified under FSC 6220, Electric Vehicular Lights and Fixtures. Status: active.
NSN 6220-01-183-4557 has 3 manufacturer part numbers on file: NTX4557 (Netex Industries Dba Northeast Texas Industries Inc.), 1011 (Federal-Mogul Corp Government Sales Dept), 10205R (Truck-Lite Co., Llc).
1 possible match (shared part number, not a government interchangeability claim): 5962-01-250-7908. Verify interchangeability with system specifications before substitution.
Key specifications for 1011: Lens Color: RED; Mounting Method: QUICK DISCONNECT COUPLING; Shape: ROUND; Lamp Base Type Accommodated: WEDGE. 14 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.