The Nut,self-Locking,plate, cataloged under National Stock Number 5310-01-203-0246, 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 26 specifications, cited from the U.S. Government catalog. The record lists 7 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 9 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5310-01-203-0246 |
| Primary Part Number | BACN10JR3CFD |
| Item Name | Nut,self-Locking,plate |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Republic Fastener Mfg. Corp. Dba Arconic Fastening Systems |
| Status | ACTIVE |
| Lubrication | DRY FILM LUBRICANT |
| Plate Thickness | 0.032 INCHES MAXIMUM IN |
| Nut Length | 0.948 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416 TY 1,CL 2 FED SPEC 1ST TREATMENT RESPONSE OR QQ-P-416 TY 2,CL 2 FED SPEC 2ND TREATMENT RESPONSE OR QQ-P-416 TY 3,CL 2 FED SPEC 3RD TREATMENT RESPONSE OVERALL |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Plate Width | 0.416 INCHES MAXIMUM IN |
| Temp Rating | 450.0 FAHRENHEIT MAXIMUM DEGF |
| Mounting Hole Arrangement Style | 2 HOLES |
| Material Document and Classification | AMS5525 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Mounting Hole Diameter | 0.098 INCHES NOMINAL IN |
| Nut Counterbore Depth | 0.060 INCHES MINIMUM NUT IN |
| Features Provided | FLOATING NUT |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.190 INCHES IN |
| Specification/standard Data | 81205-BACN10JR MANUFACTURERS STANDARD |
| Counterbore Diameter | 0.194 INCHES MINIMUM NUT IN |
| Distance From Aperture Center to Mounting Hole Center | 0.339 INCHES MINIMUM AND 0.349 INCHES MAXIMUM IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Center to Center Distance Between Mounting Holes Along Length | 0.686 INCHES MINIMUM AND 0.690 INCHES MAXIMUM IN |
| Nut Height | 0.250 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OR CADMIUM AND CHROMATE OR CADMIUM AND PHOSPHATE OVERALL |
| Nut Style | PLATE (FLOATING) |
| Thread Class | 3B |
| Thread Quantity Per Inch | 32 |
| Material | IRON ALLOY 660 OVERALL |
| Nut Mounting Provision | STRAIGHT HOLES |
| 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 |
|---|---|
| BACN10JR3CFD | Boeing Defence Australia Ltd Div Defense, Space & Security (AUS) |
| BACN10JR3CFD | Boeing Defence Australia Ltd (AUS) |
| BACN10JR3CFD | Esna, Llc (USA) |
| BACN10JR3CFD | Paolo Astori Spa (ITA) |
| BACN10JR3CFD PRIMARY | Republic Fastener Mfg. Corp. Dba Arconic Fastening Systems (USA) |
| BACN10JR3CFD PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| T8902C1032CD | Republic Fastener Mfg. Corp. Dba Arconic Fastening Systems (USA) |
| Reference | Meaning |
|---|---|
| K51602-3BAC | 5/9 Secondary reference Howmet Global Fastening Systems Inc |
| K51602-3 | 5/9 Secondary reference Howmet Global Fastening Systems Inc |
| BACN10JR3CFD | 3/2 Design control — primary reference U.S. Government activity |
| BACN10JR3CFD | 5/2 Secondary reference U.S. Government activity |
| NS202476-02 | 5/9 Secondary reference U.S. Government activity |
| 102F9201-3 | 5/9 Secondary reference Harvard Industries Inc |
| BRF200C3D | 5/9 Secondary reference Republic Fastener Mfg. Corp. Dba Arconic Fastening Systems |
| BACN10JR3CFD | 7/2 Vendor item drawing reference U.S. Government activity |
| 102F9201-3 | 5/9 Secondary reference Esna, Llc |
NSN 5310-01-203-0246 is a Nut,self-Locking,plate, manufactured by Republic Fastener Mfg. Corp. Dba Arconic Fastening Systems, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-203-0246 has 7 manufacturer part numbers on file: BACN10JR3CFD (Boeing Defence Australia Ltd Div Defense, Space & Security), BACN10JR3CFD (Boeing Defence Australia Ltd), BACN10JR3CFD (Esna, Llc), BACN10JR3CFD (Paolo Astori Spa), BACN10JR3CFD (Republic Fastener Mfg. Corp. Dba Arconic Fastening Systems) and 2 more.
1 possible match (shared part number, not a government interchangeability claim): 5310-01-669-6888. Verify interchangeability with system specifications before substitution.
Key specifications for BACN10JR3CFD: Lubrication: DRY FILM LUBRICANT; Plate Thickness: 0.032 INCHES MAXIMUM IN; Nut Length: 0.948 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-416 TY 1,CL 2 FED SPEC 1ST TREATMENT RESPONSE OR QQ-P-416 TY 2,CL 2 FED SPEC 2ND TREATMENT RESPONSE OR QQ-P-416 TY 3,CL 2 FED SPEC 3RD TREATMENT RESPONSE OVERALL. 26 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.