The Nut,plain,clinch, cataloged under National Stock Number 5310-01-520-5458, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-520-5458 |
| Item Name | Nut,plain,clinch |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Hardness Rating | 90.0 ROCKWELL B NOMINAL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.164 INCHES IN |
| Nut Diameter | 0.350 INCHES NOMINAL IN |
| Pilot Diameter | 0.279 INCHES NOMINAL IN |
| Pilot Length | 0.088 INCHES NOMINAL IN |
| Nut Height | 0.188 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Nut Style | CLINCH |
| Thread Class | 3B |
| Thread Quantity Per Inch | 32 |
| Material | STEEL CORROSION RESISTING 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 |
|---|---|
| MS45938/3-7C | 2/2 Government specification standardization U.S. Government activity |
NSN 5310-01-520-5458 is a Nut,plain,clinch, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-520-5458: Thread Series: UNIFIED NATIONAL COARSE (UNC); Hardness Rating: 90.0 ROCKWELL B NOMINAL; Thread Direction: RIGHT-HAND; Nominal Thread Size: 0.164 INCHES IN. 13 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.