The Washer,shouldered and Recessed, cataloged under National Stock Number 5310-00-471-7522, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Bae Systems Plc. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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,shouldered and Recessed |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Bae Systems Plc (CAGE K1987) |
| Parameter | Value |
|---|---|
| NSN | 5310-00-471-7522 |
| Primary Part Number | F279866 |
| Item Name | Washer,shouldered and Recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Bae Systems Plc |
| 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 |
|---|---|
| F279866 PRIMARY | Bae Systems Plc (GBR) |
| A279866 PRIMARY | Bae Systems Plc (GBR) |
| Reference | Meaning |
|---|---|
| F279866 | 5/9 Secondary reference British Aerospace (military Aircraft & Aerostructures) |
| A279866 | 3/9 Design control — primary reference British Aerospace (military Aircraft & Aerostructures) |
| 5330-99-603 | 6/9 Informative reference only U.S. Government activity |
NSN 5310-00-471-7522 is a Washer,shouldered and Recessed, manufactured by Bae Systems Plc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-471-7522 has 2 manufacturer part numbers on file: F279866 (Bae Systems Plc), A279866 (Bae Systems Plc).
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.