The Nut,self-Locking,clinch, cataloged under National Stock Number 5310-00-650-1957, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Esna, Llc. Government technical data includes 15 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through both NSN and commercial part number lookups. 11 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-650-1957 |
| Primary Part Number | 79NC3-82 |
| Item Name | Nut,self-Locking,clinch |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Esna, Llc |
| Status | ACTIVE |
| Width Across Flats | 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN |
| Thread Series | UNJC |
| Material Document and Classification | AISI ASSN STD SINGLE MATERIAL RESPONSE NUT |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.164 INCHES IN |
| Pilot Diameter | 0.273 INCHES MINIMUM AND 0.277 INCHES MAXIMUM IN |
| Pilot Length | 0.099 INCHES MINIMUM AND 0.111 INCHES MAXIMUM IN |
| Locking Feature | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| Nut Height | 0.334 INCHES MINIMUM AND 0.376 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE NUT |
| Nut Style | CLINCH |
| Thread Class | 3B |
| Thread Quantity Per Inch | 32 |
| Material | PLASTIC POLYAMIDE NYLON LOCKING INSERT |
| Material | STEEL COMP 303 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 |
|---|---|
| 79NC3-0832 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| 79NC3-82 PRIMARY | Esna, Llc (USA) |
| Reference | Meaning |
|---|---|
| 010083-013 | 5/1 Secondary reference U.S. Government activity |
| NASM45938/8-33C | 5/2 Secondary reference U.S. Government activity |
| 903771-11 | 5/1 Secondary reference General Dynamics Land Systems - Canadacorporation Div General Dynamics Mission Systems |
| M45938/8-33C | 5/9 Secondary reference U.S. Government activity |
| 79NC3-82 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| 2052912-7 | 5/9 Secondary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| 203-1163P16 | 5/9 Secondary reference Raytheon Company Div Corp |
| 203-1163P16 | 5/1 Secondary reference Raytheon Company Dba Raytheon Co |
| 79NC3-82 | 5/9 Secondary reference Harvard Industries Inc |
| 9175200 | 5/1 Secondary reference Us Army Aviation and Missile Command |
| 8141014-15 | 5/1 Secondary reference Electrodynamics Inc Div L3harris Electrodynamics Inc |
NSN 5310-00-650-1957 is a Nut,self-Locking,clinch, manufactured by Esna, Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-650-1957 has 2 manufacturer part numbers on file: 79NC3-0832 (Sps Technologies, Llc Dba PB Fasteners), 79NC3-82 (Esna, Llc).
Key specifications for 79NC3-82: Width Across Flats: 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN; Thread Series: UNJC; Material Document and Classification: AISI ASSN STD SINGLE MATERIAL RESPONSE NUT; Thread Direction: RIGHT-HAND. 15 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.