The Washer,key, cataloged under National Stock Number 5310-01-422-2188, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is General Dynamics Mission Systems, Inc. Dba Gdms. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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,key |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | General Dynamics Mission Systems, Inc. Dba Gdms (CAGE 1VPW8) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-422-2188 |
| Primary Part Number | 0400139731 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | General Dynamics Mission Systems, Inc. Dba Gdms |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 0400139731 PRIMARY | General Dynamics Mission Systems, Inc. Dba Gdms (USA) |
| Reference | Meaning |
|---|---|
| 0400139731 | 5/9 Secondary reference U.S. Government activity |
NSN 5310-01-422-2188 is a Washer,key, manufactured by General Dynamics Mission Systems, Inc. Dba Gdms, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-422-2188 has 1 manufacturer part number on file: 0400139731 (General Dynamics Mission Systems, Inc. Dba Gdms).
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.