The Washer,flat, cataloged under National Stock Number 5310-01-598-5404, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Wells Technology, Inc.. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Washer,flat |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Wells Technology, Inc. (CAGE 324A9) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-598-5404 |
| Primary Part Number | 71021 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Wells Technology, 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 |
| Part Number | Manufacturer |
|---|---|
| 71021 PRIMARY | Wells Technology, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 55002428 | 7/2 Vendor item drawing reference General Dynamics Ordnance and Tactical Systems, Inc. |
NSN 5310-01-598-5404 is a Washer,flat, manufactured by Wells Technology, Inc., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-598-5404 has 1 manufacturer part number on file: 71021 (Wells Technology, Inc.).
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.