The Nut,self Locking, cataloged under National Stock Number 5310-00-008-2823, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Bristol Industries, Llc. The record lists 4 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | Nut,self Locking |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Bristol Industries, Llc (CAGE 27238); Fairchild Fasteners Uk Ltd (CAGE K1678); Howmet Global Fastening Systems Inc (CAGE 06950); Rolls-Royce Airlines (CAGE K0680) |
| Parameter | Value |
|---|---|
| NSN | 5310-00-008-2823 |
| Primary Part Number | U128441 |
| Item Name | Nut,self Locking |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Bristol Industries, 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 |
|---|---|
| U128441 | Bristol Industries, Llc (USA) |
| U128441 | Fairchild Fasteners Uk Ltd (GBR) |
| U128441 | Howmet Global Fastening Systems Inc (USA) |
| U128441 | Rolls-Royce Airlines (GBR) |
| Reference | Meaning |
|---|---|
| U128441 | 5/9 Secondary reference Rolls-Royce Plc Div Defense (europe) |
| U128441 | 3/9 Design control — primary reference Rolls-Royce Inc |
NSN 5310-00-008-2823 is a Nut,self Locking, manufactured by Bristol Industries, Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-008-2823 has 4 manufacturer part numbers on file: U128441 (Bristol Industries, Llc), U128441 (Fairchild Fasteners Uk Ltd), U128441 (Howmet Global Fastening Systems Inc), U128441 (Rolls-Royce Airlines).
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.