The Nut,self-Locking,extended Washer, cataloged under National Stock Number 5310-01-353-1834, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Howmet Global Fastening Systems Inc. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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,extended Washer |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Rolls-Royce Plc Div Defense (europe) (CAGE K0378); Bristol Industries, Llc (CAGE 27238); Howmet Global Fastening Systems Inc (CAGE 15653) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-353-1834 |
| Primary Part Number | U755142 |
| Item Name | Nut,self-Locking,extended Washer |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Howmet Global Fastening Systems 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 |
|---|---|
| U755142 | Rolls-Royce Plc Div Defense (europe) (GBR) |
| U755142 | Bristol Industries, Llc (USA) |
| U755142 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| U755142 | 5/9 Secondary reference Rolls-Royce Inc |
| H54401-4 | 3/9 Design control — primary reference Howmet Global Fastening Systems Inc |
| 99-581-0214 | 6/9 Informative reference only U.S. Government activity |
| 99-581-0214 | 6/9 Informative reference only Nato Stock Number Potential Interchangeability Link |
| U755142 | 5/9 Secondary reference Rolls-Royce Airlines |
NSN 5310-01-353-1834 is a Nut,self-Locking,extended Washer, manufactured by Howmet Global Fastening Systems Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-353-1834 has 3 manufacturer part numbers on file: U755142 (Rolls-Royce Plc Div Defense (europe)), U755142 (Bristol Industries, Llc), U755142 (Howmet Global Fastening Systems Inc).
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.