The Washer,flat, cataloged under National Stock Number 5310-01-677-4204, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is General Dynamics Ordnance and Tactical Systems, Inc.. 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 | 5310-01-677-4204 |
| Primary Part Number | AL4007345 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | General Dynamics Ordnance and Tactical Systems, Inc. |
| 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 5310-01-677-4204 is a Washer,flat, manufactured by General Dynamics Ordnance and Tactical Systems, Inc., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-677-4204 has 2 manufacturer part numbers on file: AL4007345 (General Dynamics Ordnance and Tactical Systems, Inc.), AL4007345 (Flyer Defense, Llc).
1 possible match (shared part number, not a government interchangeability claim): 5310-01-689-1240. Verify interchangeability with system specifications before substitution.
Key specifications for AL4007345: Part Name Assigned by Controlling Agency: WASHER, FLAT; End Item Identification: 2355-01-627-5147. 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.