The Nut,self-Locking,clinch, cataloged under National Stock Number 5310-01-027-4679, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Greer Stop Nut, Inc.. Government technical data includes 16 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-027-4679 |
| Primary Part Number | C06807-0020 |
| Item Name | Nut,self-Locking,clinch |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Greer Stop Nut, Inc. |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL EXCEPT INSERT |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Temp Rating | 350.0 FAHRENHEIT NOMINAL DEGF |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.190 INCHES IN |
| Nut Diameter | 0.339 INCHES MINIMUM AND 0.349 INCHES MAXIMUM IN |
| Pilot Diameter | 0.252 INCHES MINIMUM AND 0.256 INCHES MAXIMUM IN |
| Pilot Length | 0.057 INCHES MINIMUM AND 0.063 INCHES MAXIMUM IN |
| Locking Feature | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| Nut Height | 0.169 INCHES MINIMUM AND 0.189 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL EXCEPT INSERT |
| Nut Style | CLINCH |
| Thread Class | 3B |
| Thread Quantity Per Inch | 32 |
| Material | STEEL NUT |
| Material | PLASTIC POLYAMIDE NYLON LOCKING INSERT |
| 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 |
|---|---|
| C06807-0020 PRIMARY | Greer Stop Nut, Inc. (USA) |
| 12NCFMA2-02 | Esna, Llc (USA) |
| Reference | Meaning |
|---|---|
| 12NCFMA2-02 | 5/9 Secondary reference Harvard Industries Inc |
| C06807-0020 | 5/9 Secondary reference Rosemount Inc Dba Fisher Rosemount Service and Support |
| C06807-0020 | 7/2 Vendor item drawing reference Rosemount Aerospace Inc Dba Rosemount Aerospace Inc |
NSN 5310-01-027-4679 is a Nut,self-Locking,clinch, manufactured by Greer Stop Nut, Inc., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-027-4679 has 2 manufacturer part numbers on file: C06807-0020 (Greer Stop Nut, Inc.), 12NCFMA2-02 (Esna, Llc).
Key specifications for C06807-0020: Surface Treatment Document and Classification: QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL EXCEPT INSERT; Thread Series: UNIFIED NATIONAL JOINT FINE (UNJF); Temp Rating: 350.0 FAHRENHEIT NOMINAL DEGF; Thread Direction: RIGHT-HAND. 16 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.