The Nut,self-Locking,extended Washer, cataloged under National Stock Number 5310-01-485-9580, 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 6 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | Sps Technologies, Llc Dba PB Fasteners (CAGE 56878); Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (CAGE 77445); Howmet Global Fastening Systems Inc (CAGE 15653) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-485-9580 |
| Primary Part Number | H54264-8 |
| 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) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 93603-820 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| 4313695 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 4313692 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| H54264-8 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| 4313691 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 4313693 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| VN4770YBB080 | 5/9 Secondary reference U.S. Government activity |
NSN 5310-01-485-9580 is a Nut,self-Locking,extended Washer, manufactured by Howmet Global Fastening Systems Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-485-9580 has 6 manufacturer part numbers on file: 93603-820 (Sps Technologies, Llc Dba PB Fasteners), 4313695 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 4313692 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), H54264-8 (Howmet Global Fastening Systems Inc), 4313691 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney) and 1 more.
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.