The Washer,flat, cataloged under National Stock Number 5310-01-557-0393, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 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 | 5310-01-557-0393 |
| Primary Part Number | 1001497 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp |
| 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 |
NSN 5310-01-557-0393 is a Washer,flat, manufactured by General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-557-0393 has 2 manufacturer part numbers on file: 1001497 (General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp), 10FWSAE8Y (The Shyft Group Usa, Inc Dba the Shyft Group Usa, Inc).
1 possible match (shared part number, not a government interchangeability claim): 5330-01-644-9265. Verify interchangeability with system specifications before substitution.
Key specifications for 1001497: 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.