The Nut,plain,clinch, cataloged under National Stock Number 5310-00-003-9400, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Unbrako (a Division of S P S Technologies Ltd). Government technical data includes 12 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-003-9400 |
| Primary Part Number | NS102520-62 |
| Item Name | Nut,plain,clinch |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Unbrako (a Division of S P S Technologies Ltd) |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| 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 | 0.138 INCHES IN |
| Counterbore Diameter | 0.177 INCHES MAXIMUM NUT IN |
| Surface Treatment | CADMIUM OVERALL |
| 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 |
|---|---|
| NS102520-62 | Unbrako (a Division of S P S Technologies Ltd) (GBR) |
| 3237-7722-001 | Bae Systems (operations) Limited (GBR) |
| Reference | Meaning |
|---|---|
| NS102520-62 | 3/2 Design control — primary reference U.S. Government activity |
| 3237-7722-001 | 5/9 Secondary reference U.S. Government activity |
| NS102520-62 | 3/9 Design control — primary reference Sps Technologies, Llc Dba PB Fasteners |
| NS102520-62 | 5/9 Secondary reference Sps Technologies Inc |
NSN 5310-00-003-9400 is a Nut,plain,clinch, manufactured by Unbrako (a Division of S P S Technologies Ltd), classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-003-9400 has 2 manufacturer part numbers on file: NS102520-62 (Unbrako (a Division of S P S Technologies Ltd)), 3237-7722-001 (Bae Systems (operations) Limited).
Key specifications for NS102520-62: Surface Treatment Document and Classification: QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Series: UNIFIED NATIONAL COARSE (UNC); Material Document and Classification: AMS 6350 ASSN STD 2ND MATERIAL RESPONSE NUT; Nut Counterbore Depth: 0.063 INCHES MINIMUM NUT IN. 12 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.