The Washer,lock, cataloged under National Stock Number 5310-01-190-0283, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Borgwarner Thermal Systems Inc. Div Emissions/thermal Systems. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Washer,lock |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Borgwarner Thermal Systems Inc. Div Emissions/thermal Systems (CAGE 51377); Am General Llc (CAGE 34623) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-190-0283 |
| Primary Part Number | 3059-00870-06 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Borgwarner Thermal Systems Inc. Div Emissions/thermal Systems |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 3059-00870-06 PRIMARY | Borgwarner Thermal Systems Inc. Div Emissions/thermal Systems (USA) |
| 5740254 | Am General Llc (USA) |
| Reference | Meaning |
|---|---|
| 4622395 | 7/2 Vendor item drawing reference Oshkosh Defense Llc |
NSN 5310-01-190-0283 is a Washer,lock, manufactured by Borgwarner Thermal Systems Inc. Div Emissions/thermal Systems, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-190-0283 has 2 manufacturer part numbers on file: 3059-00870-06 (Borgwarner Thermal Systems Inc. Div Emissions/thermal Systems), 5740254 (Am General Llc).
No hazard code in the DLA record (HMIC N). 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.