The Nut,self-Locking,double Hexagon, cataloged under National Stock Number 5310-01-076-7640, 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. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-076-7640 |
| Primary Part Number | BACN10HR7 |
| Item Name | Nut,self-Locking,double Hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Howmet Global Fastening Systems Inc |
| Status | ACTIVE |
| Thread Series | UNF |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.375 INCHES IN |
| Thread Class | 3B |
| Thread Quantity Per Inch | 24 |
| 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 |
|---|---|
| BACN10HR7 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| BACN10HR7 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| BACN10HR7 | 5/9 Secondary reference Bristol Industries, Llc |
| BMNN10HR7 | 5/9 Secondary reference Huck International, Inc |
| BMNN10HR7 | 5/9 Secondary reference Howmet Global Fastening Systems Inc |
| BMNN10HR7 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| BACN10HR7 | 5/9 Secondary reference Huck International, Inc |
| BACN10HR7 | 5/9 Secondary reference U.S. Government activity |
| BMNN10HR7 | 5/9 Secondary reference U.S. Government activity |
| BACN10HR7 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 5310-01-076-7640 is a Nut,self-Locking,double Hexagon, manufactured by Howmet Global Fastening Systems Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-076-7640 has 2 manufacturer part numbers on file: BACN10HR7 (Howmet Global Fastening Systems Inc), BACN10HR7 (Sps Technologies, Llc Dba PB Fasteners).
Key specifications for BACN10HR7: Thread Series: UNF; Thread Direction: RIGHT-HAND; Nominal Thread Size: 0.375 INCHES IN; Thread Class: 3B. 5 specifications are documented in the U.S. Government catalog.
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.