The Nut,self-Locking,clinch, cataloged under National Stock Number 5310-01-077-1931, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-01-077-1931 |
| 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-416,TY 2,CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Features Provided | FLOATING NUT |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.138 INCHES IN |
| Nut Diameter | 0.375 INCHES NOMINAL IN |
| Pilot Diameter | 0.326 INCHES NOMINAL IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Nut Height | 0.250 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Thread Class | 2B |
| Thread Quantity Per Inch | 32 |
| Material | 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 |
|---|---|
| 5265030-002 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 73-20-106-19 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-077-1931 is a Nut,self-Locking,clinch, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-077-1931: Lubrication: DRY FILM LUBRICANT; Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL; Thread Series: UNIFIED NATIONAL COARSE (UNC); Features Provided: FLOATING NUT. 14 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.