The Lens,light, cataloged under National Stock Number 6220-01-577-4498, 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 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6220-01-577-4498 |
| Primary Part Number | 444-6523 |
| Item Name | Lens,light |
| 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 |
|---|---|
| 444-6523 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
| 228-6051 | William Adams Pty Ltd (AUS) |
| 228-6051 | Westrac Equipment Pty Ltd (AUS) |
| 228-6051 | Hastings Deering (aust) Pty Ltd (AUS) |
| Reference | Meaning |
|---|---|
| 348-7240 | 5/9 Secondary reference Caterpillar Inc Div Caterpillar Defense |
NSN 6220-01-577-4498 is a Lens,light, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 6220, Electric Vehicular Lights and Fixtures. Status: active.
NSN 6220-01-577-4498 has 4 manufacturer part numbers on file: 444-6523 (Caterpillar Inc Div Caterpillar Defense), 228-6051 (William Adams Pty Ltd), 228-6051 (Westrac Equipment Pty Ltd), 228-6051 (Hastings Deering (aust) Pty Ltd).
Key specifications for 444-6523: Part Name Assigned by Controlling Agency: LENS ASSEMBLY; End Item Identification: 3805-01-560-2384 (GRADER, ROAD, MOTORIZED). 0 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.