The Washer,flat, cataloged under National Stock Number 5310-01-557-0239, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is The American Society of Mechanical Engineers. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Item Name | Washer,flat |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp (CAGE 1EFH8); The American Society of Mechanical Engineers (CAGE 05047); Mcmaster-Carr Supply Co (CAGE 39428) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-557-0239 |
| Primary Part Number | AEW26X37R000BD6A81 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | The American Society of Mechanical Engineers |
| 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 |
|---|---|
| 1001648 | General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp (USA) |
| AEW26X37R000BD6A81 PRIMARY | The American Society of Mechanical Engineers (USA) |
| 94744A269 | Mcmaster-Carr Supply Co (USA) |
NSN 5310-01-557-0239 is a Washer,flat, manufactured by The American Society of Mechanical Engineers, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-557-0239 has 3 manufacturer part numbers on file: 1001648 (General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp), AEW26X37R000BD6A81 (The American Society of Mechanical Engineers), 94744A269 (Mcmaster-Carr Supply Co).
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.