The Retainer,lens, cataloged under National Stock Number 6220-01-101-4906, is classified within Federal Supply Class 6220 (Electric Vehicular Lights and Fixtures) of the Lighting Fixtures and Lamps group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Retainer,lens |
| FSC / FSG | 6220 — Electric Vehicular Lights and Fixtures (FSG 62) |
| Manufacturers | Caterpillar Inc Div Caterpillar Defense (CAGE 11083); New Holland N.v.nc. (CAGE 00501) |
| Parameter | Value |
|---|---|
| NSN | 6220-01-101-4906 |
| Primary Part Number | 3T4977 |
| Item Name | Retainer,lens |
| FSC / FSG | 6220 / 62 — Electric Vehicular Lights and Fixtures |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| 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 |
|---|---|
| 3T4977 | Caterpillar Inc Div Caterpillar Defense (USA) |
| D5NN-13N056-A | New Holland N.v.nc. (USA) |
| Reference | Meaning |
|---|---|
| 5934761 | 3/9 Design control — primary reference General Motors Corp Fisher Guide Div |
NSN 6220-01-101-4906 is a Retainer,lens, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 6220, Electric Vehicular Lights and Fixtures. Status: active.
NSN 6220-01-101-4906 has 2 manufacturer part numbers on file: 3T4977 (Caterpillar Inc Div Caterpillar Defense), D5NN-13N056-A (New Holland N.v.nc.).
1 possible match (shared part number, not a government interchangeability claim): 5310-01-480-4161. 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.