The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-040-7461, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Republic Fastener Mfg. Corp. Dba Arconic Fastening Systems. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 6 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-040-7461 |
| Primary Part Number | BRH10C3 |
| Item Name | Nut,self-Locking,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Republic Fastener Mfg. Corp. Dba Arconic Fastening Systems |
| Status | ACTIVE |
| Width Across Flats | 0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | AMS 2410 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Precious Material | SILVER |
| Temp Rating | 900.0 FAHRENHEIT NOMINAL DEGF |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.190 INCHES IN |
| Specification/standard Data | 81205-BACN10JC MANUFACTURERS STANDARD |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Nut Height | 0.190 INCHES MAXIMUM IN |
| Surface Treatment | SILVER OVERALL |
| Precious Material and Location | OVERALL SILVER |
| Nut Style | HEXAGON |
| Thread Class | 3B |
| Thread Quantity Per Inch | 32 |
| Material | IRON ALLOY 660 OVERALL |
| 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 |
|---|---|
| BACN10JC3C | Sps Technologies, Llc Dba PB Fasteners (USA) |
| BRH10C3 PRIMARY | Republic Fastener Mfg. Corp. Dba Arconic Fastening Systems (USA) |
| BACN10JC3C | Howmet Global Fastening Systems Inc (USA) |
| H31-3BAC PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| BACN10JC3C | Republic Fastener Mfg. Corp. Dba Arconic Fastening Systems (USA) |
| BACN10JC3C | Huck International, Inc (USA) |
| Reference | Meaning |
|---|---|
| 101LH9075-3W | 5/9 Secondary reference Harvard Industries Inc |
| NS2021015-02 | 3/2 Design control — primary reference U.S. Government activity |
| VN303B02 | 5/9 Secondary reference U.S. Government activity |
| BACN10JC3C | 5/2 Secondary reference U.S. Government activity |
| BACN10JC3C | 7/2 Vendor item drawing reference U.S. Government activity |
| T6C-1032J | 5/9 Secondary reference Sps Technologies, Llc Dba Cherry Aerospace Div Div Cherry Aerospace |
NSN 5310-01-040-7461 is a Nut,self-Locking,hexagon, manufactured by Republic Fastener Mfg. Corp. Dba Arconic Fastening Systems, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-040-7461 has 6 manufacturer part numbers on file: BACN10JC3C (Sps Technologies, Llc Dba PB Fasteners), BRH10C3 (Republic Fastener Mfg. Corp. Dba Arconic Fastening Systems), BACN10JC3C (Howmet Global Fastening Systems Inc), H31-3BAC (Howmet Global Fastening Systems Inc), BACN10JC3C (Republic Fastener Mfg. Corp. Dba Arconic Fastening Systems) and 1 more.
1 possible match (shared part number, not a government interchangeability claim): 5310-01-669-6869. Verify interchangeability with system specifications before substitution.
Key specifications for BRH10C3: Width Across Flats: 0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM IN; Surface Treatment Document and Classification: AMS 2410 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Thread Series: UNIFIED NATIONAL JOINT FINE (UNJF); Precious Material: SILVER. 16 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.