The Nut,self-Locking,clinch, cataloged under National Stock Number 5310-01-156-0236, 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16 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-156-0236 |
| Item Name | Nut,self-Locking,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 |
| Nut Counterbore Depth | 0.020 INCHES NOMINAL LOCKING INSERT IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 4.400 INCHES IN |
| Nut Diameter | 0.270 INCHES NOMINAL IN |
| Specification/standard Data | 83324-PNR4-40-S-2-M MANUFACTURERS STANDARD |
| Pilot Diameter | 0.165 INCHES MINIMUM AND 0.170 INCHES MAXIMUM IN |
| Pilot Length | 0.218 INCHES NOMINAL IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Nut Height | 0.270 INCHES NOMINAL IN |
| 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 |
|---|---|
| PNR4-40-SM2LM | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-156-0236 is a Nut,self-Locking,clinch, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-156-0236: Lubrication: DRY FILM LUBRICANT; Thread Series: UNIFIED NATIONAL COARSE (UNC); Temp Rating: 450.0 FAHRENHEIT NOMINAL DEGF; Nut Counterbore Depth: 0.020 INCHES NOMINAL LOCKING INSERT IN. 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.