The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-434-8173, 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 3 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5310-01-434-8173 |
| Primary Part Number | BACN10JC7CD |
| 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 | 0.679 INCHES MINIMUM AND 0.690 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Temp Rating | 450.0 FAHRENHEIT NOMINAL DEGF |
| Material Document and Classification | AMS5525 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.437 INCHES IN |
| Specification/standard Data | 81205-BACN10JC PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Nut Height | 0.330 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Nut Style | HEXAGON |
| Thread Class | 3B |
| Thread Quantity Per Inch | 20 |
| Material | IRON ALLOY 660 OVERALL |
| Bearing Surface Type | CHAMFERED OR 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 |
|---|---|
| BACN10JC7CD | Republic Fastener Mfg. Corp. Dba Arconic Fastening Systems (USA) |
| BACN10JC7CD | Sps Technologies, Llc Dba PB Fasteners (USA) |
| BACN10JC7CD | Howmet Global Fastening Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| BACN10JC7CD | 5/2 Secondary reference U.S. Government activity |
| BACN10JC7CD | 3/2 Design control — primary reference U.S. Government activity |
| BACN10JC7CD | 5/9 Secondary reference U.S. Government activity |
| BACN10JC7CD | 5/9 Secondary reference Harvard Industries Inc |
NSN 5310-01-434-8173 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 5310-01-434-8173 has 3 manufacturer part numbers on file: BACN10JC7CD (Republic Fastener Mfg. Corp. Dba Arconic Fastening Systems), BACN10JC7CD (Sps Technologies, Llc Dba PB Fasteners), BACN10JC7CD (Howmet Global Fastening Systems Inc).
1 possible match (shared part number, not a government interchangeability claim): 5310-01-669-7098. Verify interchangeability with system specifications before substitution.
Key specifications for BACN10JC7CD: Width Across Flats: 0.679 INCHES MINIMUM AND 0.690 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Series: UNIFIED NATIONAL JOINT FINE (UNJF); Temp Rating: 450.0 FAHRENHEIT NOMINAL DEGF. 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.