The Washer,flat, cataloged under National Stock Number 5310-01-559-7480, 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through both NSN and commercial part number lookups. 9 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Washer,flat |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Fastenal Company Dba Fastenal Co (CAGE 0Y3H3); Fastenal Company (CAGE 45N24) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-559-7480 |
| Primary Part Number | 33866 |
| 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 |
|---|---|
| 33866 | Fastenal Company Dba Fastenal Co (USA) |
| 33866 | Fastenal Company (USA) |
| Reference | Meaning |
|---|---|
| S000023 | 7/2 Vendor item drawing reference General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp |
| 3011684 | 5/9 Secondary reference Rexel Usa, Inc. Dba Gexpro Div Gexpro |
| 3011684 | 5/9 Secondary reference Rkr Technologies, Ltd. Dba Rkr Technologies Ltd Div Rocket Air Supply |
| 3011684 | 5/9 Secondary reference Relli Technology, Inc Dba Relli Technology Inc |
| 3011684 | 5/9 Secondary reference General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp |
| 3011684 | 5/9 Secondary reference Motor City Fasteners Inc |
| 3006016 | 5/9 Secondary reference General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp |
| 12759-01080 | 3/9 Design control — primary reference Fastenal Company Dba Fastenal Co |
| 12759-80035 | 5/9 Secondary reference Fastenal Company Dba Fastenal Co |
NSN 5310-01-559-7480 is a Washer,flat, manufactured by Fastenal Company Dba Fastenal Co, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-559-7480 has 2 manufacturer part numbers on file: 33866 (Fastenal Company Dba Fastenal Co), 33866 (Fastenal Company).
2 possible matches (shared part number, not a government interchangeability claim): 5310-01-564-3313, 6625-01-664-0403. Verify interchangeability with system specifications before substitution.
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.