The Washer,flat, cataloged under National Stock Number 5310-00-468-7258, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Rolls-Royce Marine North America Inc.. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Washer,flat |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Rolls-Royce Marine North America Inc. (CAGE 38ZC7); Sae International Dba Sae International (CAGE 0U583) |
| Parameter | Value |
|---|---|
| NSN | 5310-00-468-7258 |
| Primary Part Number | AS12944 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Rolls-Royce Marine North America Inc. |
| 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 |
|---|---|
| AS12944 PRIMARY | Rolls-Royce Marine North America Inc. (USA) |
| AS12944 | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| 99-122-8261 | 6/9 Informative reference only Nato Stock Number Potential Interchangeability Link |
| AS12944 | 3/9 Design control — primary reference Society of British Aerospace Companies Ltd (sbac) |
| 99-122-8261 | 6/9 Informative reference only U.S. Government activity |
NSN 5310-00-468-7258 is a Washer,flat, manufactured by Rolls-Royce Marine North America Inc., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-468-7258 has 2 manufacturer part numbers on file: AS12944 (Rolls-Royce Marine North America Inc.), AS12944 (Sae International Dba Sae International).
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.