The Light,dome, cataloged under National Stock Number 6220-01-558-4366, is classified within Federal Supply Class 6220 (Electric Vehicular Lights and Fixtures) of the Lighting Fixtures and Lamps group. The manufacturer of record is Betts Industries, Inc.. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Light,dome |
| FSC / FSG | 6220 — Electric Vehicular Lights and Fixtures (FSG 62) |
| Manufacturers | Oshkosh Defense Llc (CAGE 75Q65); Betts Industries, Inc. (CAGE 13226) |
| Parameter | Value |
|---|---|
| NSN | 6220-01-558-4366 |
| Primary Part Number | 570039 |
| Item Name | Light,dome |
| FSC / FSG | 6220 / 62 — Electric Vehicular Lights and Fixtures |
| Manufacturer | Betts Industries, Inc. |
| Status | ACTIVE |
| 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 |
|---|---|
| 2226120 | Oshkosh Defense Llc (USA) |
| 570039 PRIMARY | Betts Industries, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 2226120 | 5/9 Secondary reference Oshkosh Corp |
| 28366-3 | D/9 Drawing number reference only Betts Industries, Inc. |
| M57V-01-0145-570039 | 5/9 Secondary reference Betts Industries, Inc. |
NSN 6220-01-558-4366 is a Light,dome, manufactured by Betts Industries, Inc., classified under FSC 6220, Electric Vehicular Lights and Fixtures. Status: active.
NSN 6220-01-558-4366 has 2 manufacturer part numbers on file: 2226120 (Oshkosh Defense Llc), 570039 (Betts Industries, Inc.).
3 possible matches (shared part number, not a government interchangeability claim): 6150-01-558-6422, 5310-01-566-2594, 4820-01-605-8953. Verify interchangeability with system specifications before substitution.
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.