The Nut,self-Locking,clinch, cataloged under National Stock Number 5310-01-386-3979, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Grimes Aerospace Company. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-386-3979 |
| Primary Part Number | SN-308 |
| Item Name | Nut,self-Locking,clinch |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Grimes Aerospace Company |
| Status | ACTIVE |
| Lubrication | DRY FILM LUBRICANT |
| Thread Series | UNJC |
| Material Document and Classification | AMS 5734 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.164 INCHES IN |
| Nut Diameter | 0.291 INCHES NOMINAL IN |
| Pilot Diameter | 0.221 INCHES MINIMUM AND 0.225 INCHES MAXIMUM IN |
| Pilot Length | 0.057 INCHES MINIMUM AND 0.063 INCHES MAXIMUM IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Nut Height | 0.215 INCHES NOMINAL IN |
| Nut Style | CLINCH |
| Thread Class | 3B |
| Thread Quantity Per Inch | 32 |
| Material | IRON ALLOY 660 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 |
|---|---|
| SN-308 PRIMARY | Grimes Aerospace Company (USA) |
NSN 5310-01-386-3979 is a Nut,self-Locking,clinch, manufactured by Grimes Aerospace Company, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-386-3979 has 1 manufacturer part number on file: SN-308 (Grimes Aerospace Company).
Key specifications for SN-308: Lubrication: DRY FILM LUBRICANT; Thread Series: UNJC; Material Document and Classification: AMS 5734 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Thread Direction: RIGHT-HAND. 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.