The Nut,self-Locking,clinch, cataloged under National Stock Number 5310-00-565-5031, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 18 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-565-5031 |
| Item Name | Nut,self-Locking,clinch |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Lubrication | DRY FILM LUBRICANT |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC 1ST TREATMENT RESPONSE OR QQ-S-365 FED SPEC 2ND TREATMENT RESPONSE OVERALL |
| Thread Series | UNJC |
| Material Document and Classification | AMS 5731 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5734 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| Features Provided | FLOATING NUT |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.164 INCHES IN |
| Nut Diameter | 0.410 INCHES NOMINAL IN |
| Pilot Diameter | 0.305 INCHES MINIMUM AND 0.311 INCHES MAXIMUM IN |
| Pilot Length | 0.093 INCHES MINIMUM AND 0.107 INCHES MAXIMUM IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Nut Height | 0.265 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OR SILVER OVERALL |
| Precious Material and Location | EXTERNAL SURFACE SILVER |
| Nut Style | CLINCH |
| Thread Class | 3B |
| Thread Quantity Per Inch | 32 |
| Material | IRON ALLOY 660 OR STEEL OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| MFPN8-32SUL | 3/2 Design control — primary reference U.S. Government activity |
| 943979-53 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 5310-00-565-5031 is a Nut,self-Locking,clinch, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-00-565-5031: Lubrication: DRY FILM LUBRICANT; Surface Treatment Document and Classification: QQ-P-35 FED SPEC 1ST TREATMENT RESPONSE OR QQ-S-365 FED SPEC 2ND TREATMENT RESPONSE OVERALL; Thread Series: UNJC; Material Document and Classification: AMS 5731 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5734 ASSN STD 2ND MATERIAL RESPONSE OVERALL. 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.