The Nut,plain,clinch, cataloged under National Stock Number 5310-01-138-4711, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-138-4711 |
| Primary Part Number | SOS-M4-10 |
| Item Name | Nut,plain,clinch |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Penn Engineering & Manufacturing Corp |
| Status | ACTIVE |
| Width Across Flats | 7.9 MILLIMETERS NOMINAL MM |
| Thread Tolerance Class | 6H INTERNAL |
| Surface Treatment Document and Classification | QQ-P-35,TY 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | ISO M |
| Thread Pitch in Millimeters | 0.70 |
| Nut Counterbore Depth | 4.0 MILLIMETERS NOMINAL NUT MM |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 4.0 MILLIMETERS MM |
| Counterbore Diameter | 4.8 MILLIMETERS NOMINAL NUT MM |
| Pilot Diameter | 6.98 MILLIMETERS MINIMUM AND 7.11 MILLIMETERS MAXIMUM MM |
| Nut Height | 9.87 MILLIMETERS MINIMUM AND 10.05 MILLIMETERS MAXIMUM MM |
| Surface Treatment | PASSIVATE OVERALL |
| Nut Style | CLINCH |
| Material | STEEL COMP 303 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 |
|---|---|
| SOS-M4-10 PRIMARY | Penn Engineering & Manufacturing Corp (USA) |
| Reference | Meaning |
|---|---|
| 13029016 | 7/2 Vendor item drawing reference Us Army Aviation and Missile Command |
NSN 5310-01-138-4711 is a Nut,plain,clinch, manufactured by Penn Engineering & Manufacturing Corp, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-138-4711 has 1 manufacturer part number on file: SOS-M4-10 (Penn Engineering & Manufacturing Corp).
Key specifications for SOS-M4-10: Width Across Flats: 7.9 MILLIMETERS NOMINAL MM; Thread Tolerance Class: 6H INTERNAL; Surface Treatment Document and Classification: QQ-P-35,TY 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Series: ISO M. 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.