The Washer,lock, cataloged under National Stock Number 5310-01-557-0572, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Fastenal Company Dba Fastenal Co. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-557-0572 |
| Primary Part Number | 1133711 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Fastenal Company Dba Fastenal Co |
| 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 |
|---|---|
| 1133711 PRIMARY | Fastenal Company Dba Fastenal Co (USA) |
| 1000390 | General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp (USA) |
| 12759-00642 | Fastenal Company Dba Fastenal Co (USA) |
NSN 5310-01-557-0572 is a Washer,lock, manufactured by Fastenal Company Dba Fastenal Co, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-557-0572 has 3 manufacturer part numbers on file: 1133711 (Fastenal Company Dba Fastenal Co), 1000390 (General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp), 12759-00642 (Fastenal Company Dba Fastenal Co).
Key specifications for 1133711: End Item Identification: MRAP - UNIQUE NSN - USED ON 3 MRAP VARIANTS. 0 specifications are documented in the U.S. Government catalog.
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.