The Nut,plain,clinch, cataloged under National Stock Number 5310-01-331-5822, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-01-331-5822 |
| Item Name | Nut,plain,clinch |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Lubrication | DRY FILM LUBRICANT |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Temp Rating | 450.0 FAHRENHEIT NOMINAL DEGF |
| Hardness Rating | 28.0 ROCKWELL C MAXIMUM |
| Features Provided | FLOATING NUT |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.112 INCHES IN |
| Nut Diameter | 0.305 INCHES MINIMUM AND 0.335 INCHES MAXIMUM IN |
| Pilot Diameter | 0.243 INCHES MINIMUM AND 0.249 INCHES MAXIMUM IN |
| Pilot Length | 0.067 INCHES MINIMUM AND 0.087 INCHES MAXIMUM IN |
| Nut Height | 0.224 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Nut Style | CLINCH |
| Thread Class | 3B |
| Thread Quantity Per Inch | 40 |
| 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 |
|---|---|
| M45938/13-2 | 3/2 Design control — primary reference U.S. Government activity |
| M45938/13-2 | 5/9 Secondary reference U.S. Government activity |
NSN 5310-01-331-5822 is a Nut,plain,clinch, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-331-5822: Lubrication: DRY FILM LUBRICANT; Thread Series: UNIFIED NATIONAL COARSE (UNC); Temp Rating: 450.0 FAHRENHEIT NOMINAL DEGF; Hardness Rating: 28.0 ROCKWELL C MAXIMUM. 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.