The Washer,recessed, cataloged under National Stock Number 5310-01-288-1257, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Am General Llc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Washer,recessed |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Am General Llc (CAGE 34623) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-288-1257 |
| Primary Part Number | 12341885 |
| Item Name | Washer,recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Am General Llc |
| 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 |
|---|---|
| 12341885 PRIMARY | Am General Llc (USA) |
| Reference | Meaning |
|---|---|
| 5589767 | 5/9 Secondary reference Am General Llc |
| 4487(US26D) | 3/9 Design control — primary reference U.S. Government activity |
NSN 5310-01-288-1257 is a Washer,recessed, manufactured by Am General Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-288-1257 has 1 manufacturer part number on file: 12341885 (Am General Llc).
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.