The Nut,plain,clinch, cataloged under National Stock Number 5310-00-003-9399, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Sps Technologies, Llc Dba PB Fasteners. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-00-003-9399 |
| Primary Part Number | NS102520-02 |
| Item Name | Nut,plain,clinch |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Sps Technologies, Llc Dba PB Fasteners |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | UNF |
| Material Document and Classification | AMS 6350 ASSN STD 2ND MATERIAL RESPONSE NUT |
| Nut Counterbore Depth | 0.063 INCHES MINIMUM NUT IN |
| Features Provided | FLOATING NUT |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.190 INCHES IN |
| Nut Diameter | 0.375 INCHES NOMINAL IN |
| Counterbore Diameter | 0.229 INCHES MAXIMUM NUT IN |
| Pilot Diameter | 0.312 INCHES NOMINAL IN |
| Pilot Length | 0.080 INCHES NOMINAL IN |
| Nut Height | 0.273 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Nut Style | CLINCH |
| Thread Class | 3B |
| Thread Quantity Per Inch | 32 |
| Material | STEEL AND STEEL COMP 4130 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 |
|---|---|
| NS102520-02 | Unbrako (a Division of S P S Technologies Ltd) (GBR) |
| NS102520-02 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| 3237-7744-002 | Bae Systems (operations) Limited (GBR) |
| Reference | Meaning |
|---|---|
| 3237-7744-002 | 5/9 Secondary reference U.S. Government activity |
| NS102520-02 | 5/9 Secondary reference Sps Technologies Inc |
NSN 5310-00-003-9399 is a Nut,plain,clinch, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-003-9399 has 3 manufacturer part numbers on file: NS102520-02 (Unbrako (a Division of S P S Technologies Ltd)), NS102520-02 (Sps Technologies, Llc Dba PB Fasteners), 3237-7744-002 (Bae Systems (operations) Limited).
Key specifications for NS102520-02: Surface Treatment Document and Classification: QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Series: UNF; Material Document and Classification: AMS 6350 ASSN STD 2ND MATERIAL RESPONSE NUT; Nut Counterbore Depth: 0.063 INCHES MINIMUM NUT IN. 17 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.