The Nut,plain,extended Washer,double, cataloged under National Stock Number 5310-01-450-0704, 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 5 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | Nut,plain,extended Washer,double |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Sps Technologies, Llc Dba PB Fasteners (CAGE 56878); Howmet Global Fastening Systems Inc (CAGE 15653); Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (CAGE 77445) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-450-0704 |
| Primary Part Number | H53777-5 |
| Item Name | Nut,plain,extended Washer,double |
| 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 |
|---|---|
| ST2782-11 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| H53777-5 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| ST2780-11 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 92617-524 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| ST2785-11 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| ST2783-11 | 5/2 Secondary reference U.S. Government activity |
| VN4761BB054 | 5/2 Secondary reference U.S. Government activity |
| 5310PL0754416 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 5310-01-450-0704 is a Nut,plain,extended Washer,double, manufactured by Howmet Global Fastening Systems Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-450-0704 has 5 manufacturer part numbers on file: ST2782-11 (Sps Technologies, Llc Dba PB Fasteners), H53777-5 (Howmet Global Fastening Systems Inc), ST2780-11 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 92617-524 (Sps Technologies, Llc Dba PB Fasteners), ST2785-11 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
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.