The Nut,plain,clinch, cataloged under National Stock Number 5310-00-765-2991, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Pics Screw Machine, Inc. Dba Pics Screw Machine Inc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-765-2991 |
| Primary Part Number | NCN4S-2-2-1 |
| Item Name | Nut,plain,clinch |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Pics Screw Machine, Inc. Dba Pics Screw Machine Inc |
| Status | ACTIVE |
| Width Across Flats | 0.188 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | MIL-F-14072,E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Material Document and Classification | AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.112 INCHES IN |
| Pilot Diameter | 0.155 INCHES MINIMUM AND 0.159 INCHES MAXIMUM IN |
| Nut Height | 0.093 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Countersink Angle | 100.0 DEGREES NOMINAL NUT |
| Nut Style | CLINCH |
| Thread Class | 2B |
| Thread Quantity Per Inch | 40 |
| 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 |
|---|---|
| NCN4S-2-2-1 PRIMARY | Pics Screw Machine, Inc. Dba Pics Screw Machine Inc (USA) |
| Reference | Meaning |
|---|---|
| 7118951-4 | 7/2 Vendor item drawing reference Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp |
| 7118951-4 | 5/9 Secondary reference Litton Systems Inc Guidance and Control Systems Div |
NSN 5310-00-765-2991 is a Nut,plain,clinch, manufactured by Pics Screw Machine, Inc. Dba Pics Screw Machine Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-765-2991 has 1 manufacturer part number on file: NCN4S-2-2-1 (Pics Screw Machine, Inc. Dba Pics Screw Machine Inc).
Key specifications for NCN4S-2-2-1: Width Across Flats: 0.188 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-F-14072,E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Series: UNIFIED NATIONAL COARSE (UNC); Material Document and Classification: AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 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.