The Nut,self-Locking,clinch, cataloged under National Stock Number 5310-01-134-5122, 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 19 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-01-134-5122 |
| Primary Part Number | F22NKCFM2-40 |
| Item Name | Nut,self-Locking,clinch |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Esna, Llc |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 2 FED SPEC ALL TREATMENT RESPONSES NUT |
| Thread Series | UNJC |
| Temp Rating | 350.0 FAHRENHEIT NOMINAL DEGF |
| Material Document and Classification | MIL-M-20693,COMP A,TY 1A MIL SPEC ALL MATERIAL RESPONSES CAP A |
| Material Document and Classification | MIL-M-20693,COMP A,TY 1A MIL SPEC ALL MATERIAL RESPONSES LOCKING INSERT A |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.112 INCHES IN |
| Nut Diameter | 0.203 INCHES NOMINAL IN |
| Pilot Diameter | 0.160 INCHES NOMINAL IN |
| Pilot Length | 0.060 INCHES NOMINAL IN |
| Locking Feature | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| Nut Height | 0.150 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM NUT |
| Nut Style | CLINCH |
| Thread Class | 3B |
| Thread Quantity Per Inch | 40 |
| Material | STEEL NUT |
| Material | PLASTIC POLYHEXAMETHYLENE AMIDE LOCKING INSERT |
| Material | PLASTIC POLYHEXAMETHYLENE AMIDE CAP |
| 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 |
|---|---|
| F22NKCFM2-40 | Esna, Llc (USA) |
| Reference | Meaning |
|---|---|
| F22NKCFM2-40 | 3/9 Design control — primary reference Harvard Industries Inc |
| 019146-4 | 5/9 Secondary reference Sci Systems Inc |
NSN 5310-01-134-5122 is a Nut,self-Locking,clinch, manufactured by Esna, Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-134-5122 has 1 manufacturer part number on file: F22NKCFM2-40 (Esna, Llc).
Key specifications for F22NKCFM2-40: Overall Height: 0.236 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 2 FED SPEC ALL TREATMENT RESPONSES NUT; Thread Series: UNJC; Temp Rating: 350.0 FAHRENHEIT NOMINAL DEGF. 19 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.