The Nut,self-Locking,clinch, cataloged under National Stock Number 5310-01-374-2299, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple. Government technical data includes 17 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-374-2299 |
| Primary Part Number | 002-003716-015 |
| Item Name | Nut,self-Locking,clinch |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple |
| Status | ACTIVE |
| Lubrication | SOLUBLE LUBRICANT |
| Surface Treatment Document and Classification | QQ-P-416,TY2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE NUT |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Nut Counterbore Depth | 0.040 INCHES NOMINAL NUT IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.138 INCHES IN |
| Nut Diameter | 0.276 INCHES MINIMUM AND 0.286 INCHES MAXIMUM IN |
| Counterbore Diameter | 0.152 INCHES MINIMUM AND 0.157 INCHES MAXIMUM NUT IN |
| Pilot Diameter | 0.190 INCHES MINIMUM AND 0.194 INCHES MAXIMUM IN |
| Pilot Length | 0.040 INCHES NOMINAL IN |
| Locking Feature | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| Nut Height | 0.170 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM AND CHROMATE NUT |
| Nut Style | CLINCH |
| Thread Class | 3B |
| Thread Quantity Per Inch | 32 |
| Material | STEEL NUT |
| 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 |
|---|---|
| 002-003716-015 PRIMARY | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple (USA) |
| 79NKCFM1-62 | Esna, Llc (USA) |
| Reference | Meaning |
|---|---|
| 002-003716 | 5/9 Secondary reference Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple |
| 79NKCFM1-62 | 3/9 Design control — primary reference Harvard Industries Inc |
NSN 5310-01-374-2299 is a Nut,self-Locking,clinch, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-374-2299 has 2 manufacturer part numbers on file: 002-003716-015 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple), 79NKCFM1-62 (Esna, Llc).
Key specifications for 002-003716-015: Lubrication: SOLUBLE LUBRICANT; Surface Treatment Document and Classification: QQ-P-416,TY2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE NUT; Thread Series: UNIFIED NATIONAL COARSE (UNC); Nut Counterbore Depth: 0.040 INCHES NOMINAL NUT IN. 17 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.