The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-260-8944, 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 18 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-260-8944 |
| Primary Part Number | BACN10JC14 |
| Item Name | Nut,self-Locking,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Howmet Global Fastening Systems Inc |
| Status | ACTIVE |
| Lubrication | DRY FILM LUBRICANT |
| Width Across Flats | 1.239 INCHES MINIMUM AND 1.252 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Temp Rating | 450.0 FAHRENHEIT MAXIMUM DEGF |
| Hardness Rating | 34.0 ROCKWELL C MINIMUM AND 41.0 ROCKWELL C MAXIMUM |
| Material Document and Classification | AMS 6378 ASSN STD 1ST MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-18729 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-5000 MIL SPEC 4TH MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.875 INCHES IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Nut Height | 0.206 INCHES MINIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Countersink Angle | 120.0 DEGREES NOMINAL NUT |
| Nut Style | HEXAGON |
| Thread Class | 3B |
| Thread Quantity Per Inch | 14 |
| Material | STEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP 4130 OR STEEL COMP E4340 OVERALL |
| Bearing Surface Type | WASHER FACED |
| 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 |
|---|---|
| BACN10JC14 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| BACN10JC14 PRIMARY | Republic Fastener Mfg. Corp. Dba Arconic Fastening Systems (USA) |
| BACN10JC14 PRIMARY | Grimes Aerospace Company (USA) |
| BMN4122AD3-14 | Huck International, Inc (USA) |
| BACN10JC14 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| BACN10JC14 | 3/2 Design control — primary reference U.S. Government activity |
| BACN10JC14 | 7/2 Vendor item drawing reference U.S. Government activity |
| BACN10JC14 | 5/9 Secondary reference Aero-Flow Dynamics Inc |
| BMN4122AD3-14 | 5/9 Secondary reference U.S. Government activity |
NSN 5310-01-260-8944 is a Nut,self-Locking,hexagon, manufactured by Howmet Global Fastening Systems Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-260-8944 has 5 manufacturer part numbers on file: BACN10JC14 (Howmet Global Fastening Systems Inc), BACN10JC14 (Republic Fastener Mfg. Corp. Dba Arconic Fastening Systems), BACN10JC14 (Grimes Aerospace Company), BMN4122AD3-14 (Huck International, Inc), BACN10JC14 (Sps Technologies, Llc Dba PB Fasteners).
Key specifications for BACN10JC14: Lubrication: DRY FILM LUBRICANT; Width Across Flats: 1.239 INCHES MINIMUM AND 1.252 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-416,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Series: UNIFIED NATIONAL JOINT FINE (UNJF). 18 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.