The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-050-1104, 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 17 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through both NSN and commercial part number lookups. 10 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-050-1104 |
| Primary Part Number | BACN10JC8CM |
| Item Name | Nut,self-Locking,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Howmet Global Fastening Systems Inc |
| Status | ACTIVE |
| Width Across Flats | 0.740 INCHES MINIMUM AND 0.752 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | MS2410 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Temp Rating | 900.0 FAHRENHEIT NOMINAL DEGF |
| Hardness Rating | 32.0 ROCKWELL C MINIMUM |
| Material Document and Classification | AMS 5735 COMP A286 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.500 INCHES IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Nut Height | 0.328 INCHES NOMINAL IN |
| Surface Treatment | SILVER OVERALL |
| Precious Material and Location | ALL SIRFACES SILVER |
| Nut Style | HEXAGON |
| Thread Class | 3B |
| Thread Quantity Per Inch | 20 |
| Material | IRON ALLOY 660 OVERALL |
| Bearing Surface Type | FLAT |
| 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 |
|---|---|
| BACN10JC8CM PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| BACN10JC8CM | Sps Technologies, Llc Dba PB Fasteners (USA) |
| BACN10JC8CM | Leonardo Spa Helicopters Division - Production Site (ITA) |
| BACN10JC8CM | Republic Fastener Mfg. Corp. Dba Arconic Fastening Systems (USA) |
| BACN10JC8CM | Huck International, Inc (USA) |
| Reference | Meaning |
|---|---|
| H01-8BAC | 5/9 Secondary reference Howmet Global Fastening Systems Inc |
| BACN10JC8C | 5/9 Secondary reference U.S. Government activity |
| BMN4122C1D2-8 | 5/9 Secondary reference Huck International, Inc |
| BMN4122C1D2-8 | 5/9 Secondary reference U.S. Government activity |
| 69235-820CM | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| H31-8BAC | 5/9 Secondary reference Howmet Global Fastening Systems Inc |
| BACN10JC8CM | 5/2 Secondary reference U.S. Government activity |
| 101LH9074-8 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| 109LH9074-8 | 5/9 Secondary reference Harvard Industries Inc |
| BACN10JC8CM | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 5310-01-050-1104 is a Nut,self-Locking,hexagon, manufactured by Howmet Global Fastening Systems Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-050-1104 has 5 manufacturer part numbers on file: BACN10JC8CM (Howmet Global Fastening Systems Inc), BACN10JC8CM (Sps Technologies, Llc Dba PB Fasteners), BACN10JC8CM (Leonardo Spa Helicopters Division - Production Site), BACN10JC8CM (Republic Fastener Mfg. Corp. Dba Arconic Fastening Systems), BACN10JC8CM (Huck International, Inc).
2 possible matches (shared part number, not a government interchangeability claim): 5310-01-669-6880, 5310-01-728-9912. Verify interchangeability with system specifications before substitution.
Key specifications for BACN10JC8CM: Width Across Flats: 0.740 INCHES MINIMUM AND 0.752 INCHES MAXIMUM IN; Surface Treatment Document and Classification: MS2410 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Thread Series: UNIFIED NATIONAL JOINT FINE (UNJF); Temp Rating: 900.0 FAHRENHEIT NOMINAL DEGF. 17 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.