The Nut,self-Locking,clinch, cataloged under National Stock Number 5310-01-674-7409, 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 6 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-674-7409 |
| Primary Part Number | 04-40142-02 |
| Item Name | Nut,self-Locking,clinch |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Penn Engineering & Manufacturing Corp |
| Status | ACTIVE |
| Nut Length | 0.177 INCHES NOMINAL IN |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Nut Diameter | 0.249 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 04-40142-02 | Department of Defense Project Manager-Mobile Electric Power (USA) |
| 04-40142-02 PRIMARY | Penn Engineering & Manufacturing Corp (USA) |
NSN 5310-01-674-7409 is a Nut,self-Locking,clinch, manufactured by Penn Engineering & Manufacturing Corp, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-674-7409 has 2 manufacturer part numbers on file: 04-40142-02 (Department of Defense Project Manager-Mobile Electric Power), 04-40142-02 (Penn Engineering & Manufacturing Corp).
Key specifications for 04-40142-02: Nut Length: 0.177 INCHES NOMINAL IN; Thread Series: UNIFIED NATIONAL COARSE (UNC); Nut Diameter: 0.249 INCHES NOMINAL IN; Special Features: NHA:04-40182, CAP DIA: 0.340, HOLE DIA: 0.250,THICK:0.090. 6 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.