The Nut,plain,clinch, cataloged under National Stock Number 5310-00-182-6261, 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 12 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 | 5310-00-182-6261 |
| Primary Part Number | S0A-440-12 |
| Item Name | Nut,plain,clinch |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Penn Engineering & Manufacturing Corp |
| Status | ACTIVE |
| Width Across Flats | 0.188 INCHES NOMINAL IN |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Nut Counterbore Depth | 0.188 INCHES NOMINAL SECOND END IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.112 INCHES IN |
| Counterbore Diameter | 0.125 INCHES NOMINAL SECOND END IN |
| Pilot Diameter | 0.165 INCHES NOMINAL IN |
| Nut Height | 0.375 INCHES NOMINAL IN |
| Nut Style | CLINCH |
| Thread Class | 2B |
| Thread Quantity Per Inch | 40 |
| Material | ALUMINUM 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 |
|---|---|
| S0A-440-12 PRIMARY | Penn Engineering & Manufacturing Corp (USA) |
| 100C0407-5 | West Electronics Inc (USA) |
NSN 5310-00-182-6261 is a Nut,plain,clinch, manufactured by Penn Engineering & Manufacturing Corp, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-182-6261 has 2 manufacturer part numbers on file: S0A-440-12 (Penn Engineering & Manufacturing Corp), 100C0407-5 (West Electronics Inc).
Key specifications for S0A-440-12: Width Across Flats: 0.188 INCHES NOMINAL IN; Thread Series: UNIFIED NATIONAL COARSE (UNC); Nut Counterbore Depth: 0.188 INCHES NOMINAL SECOND END IN; Thread Direction: RIGHT-HAND. 12 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.