The Nut,self-Locking,clinch, cataloged under National Stock Number 5310-01-361-8759, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Penn Engineering & Manufacturing Corp. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-361-8759 |
| Primary Part Number | SP-440-0 |
| Item Name | Nut,self-Locking,clinch |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Penn Engineering & Manufacturing Corp |
| Status | ACTIVE |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Hardness Rating | 90.0 ROCKWELL B MAXIMUM AND 185.0 BRINELL HULTGREN MAXIMUM |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.112 INCHES IN |
| Nut Diameter | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN |
| Pilot Diameter | 0.165 INCHES NOMINAL IN |
| Pilot Length | 0.030 INCHES MAXIMUM IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Nut Height | 0.060 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Nut Style | CLINCH |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 40 |
| 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 |
| Part Number | Manufacturer |
|---|---|
| SP-440-0 PRIMARY | Penn Engineering & Manufacturing Corp (USA) |
NSN 5310-01-361-8759 is a Nut,self-Locking,clinch, manufactured by Penn Engineering & Manufacturing Corp, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-361-8759 has 1 manufacturer part number on file: SP-440-0 (Penn Engineering & Manufacturing Corp).
Key specifications for SP-440-0: Thread Series: UNIFIED NATIONAL COARSE (UNC); Hardness Rating: 90.0 ROCKWELL B MAXIMUM AND 185.0 BRINELL HULTGREN MAXIMUM; Thread Direction: RIGHT-HAND; Nominal Thread Size: 0.112 INCHES IN. 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.