The Nut,self-Locking,clinch, cataloged under National Stock Number 5310-01-138-1702, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-138-1702 |
| Primary Part Number | 391986-6 |
| Item Name | Nut,self-Locking,clinch |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products |
| Status | ACTIVE |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Temp Rating | 700.0 CELSIUS NOMINAL DEGC |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Nut Diameter | 0.560 INCHES NOMINAL IN |
| Pilot Diameter | 0.493 INCHES MINIMUM AND 0.499 INCHES MAXIMUM IN |
| Pilot Length | 0.165 INCHES NOMINAL IN |
| Locking Feature | FREE-RUNNING ALL METAL DESIGN |
| Nut Height | 0.365 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Nut Style | CLINCH |
| Thread Class | 3B |
| Thread Quantity Per Inch | 20 |
| Material | STEEL 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 |
|---|---|
| 391986-6 | L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products (USA) |
| Reference | Meaning |
|---|---|
| FPN20-20SUU | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-138-1702 is a Nut,self-Locking,clinch, manufactured by L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-138-1702 has 1 manufacturer part number on file: 391986-6 (L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products).
1 possible match (shared part number, not a government interchangeability claim): 9905-01-611-3283. Verify interchangeability with system specifications before substitution.
Key specifications for 391986-6: Thread Series: UNIFIED NATIONAL COARSE (UNC); Temp Rating: 700.0 CELSIUS NOMINAL DEGC; Thread Direction: RIGHT-HAND; Nominal Thread Size: 0.250 INCHES IN. 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.