The Nut,self-Locking,double Hexagon, cataloged under National Stock Number 5310-01-663-8571, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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,double Hexagon |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Howmet Global Fastening Systems Inc (CAGE 15653); Sps Technologies, Llc Dba PB Fasteners (CAGE 56878); National Aerospace Fasteners Corporation (CAGE SF773); Bristol Industries, Llc (CAGE 27238); General Electric Company (CAGE 07482) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-663-8571 |
| Primary Part Number | H29630-4 |
| Item Name | Nut,self-Locking,double Hexagon |
| 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 |
|---|---|
| H29630-4 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| 67567-428 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| H1206N-428 PRIMARY | National Aerospace Fasteners Corporation |
| BH01837-4 PRIMARY | Bristol Industries, Llc (USA) |
| J201P02 | General Electric Company (USA) |
| Reference | Meaning |
|---|---|
| VN440B048 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-663-8571 is a Nut,self-Locking,double Hexagon, manufactured by Howmet Global Fastening Systems Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-663-8571 has 5 manufacturer part numbers on file: H29630-4 (Howmet Global Fastening Systems Inc), 67567-428 (Sps Technologies, Llc Dba PB Fasteners), H1206N-428 (National Aerospace Fasteners Corporation), BH01837-4 (Bristol Industries, Llc), J201P02 (General Electric Company).
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.