The Washer,flat, cataloged under National Stock Number 5310-01-557-0476, 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 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 5310-01-557-0476 |
| Primary Part Number | 33849 |
| Item Name | Washer,flat |
| 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 |
|---|---|
| 3006076 | General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp (USA) |
| 33849 PRIMARY | Fastenal Company Dba Fastenal Co (USA) |
| Reference | Meaning |
|---|---|
| 3006632 | 5/9 Secondary reference General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp |
NSN 5310-01-557-0476 is a Washer,flat, manufactured by Fastenal Company Dba Fastenal Co, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-557-0476 has 2 manufacturer part numbers on file: 3006076 (General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp), 33849 (Fastenal Company Dba Fastenal Co).
1 possible match (shared part number, not a government interchangeability claim): 6515-01-588-9766. Verify interchangeability with system specifications before substitution.
Key specifications for 33849: 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.