The Nut,self-Locking,clinch, cataloged under National Stock Number 5310-00-081-9282, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 19 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5310-00-081-9282 |
| Primary Part Number | 2533402 PC 23 |
| Item Name | Nut,self-Locking,clinch |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Width Across Flats | 0.375 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL EXCEPT INSERT |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Temp Rating | 250.0 FAHRENHEIT NOMINAL DEGF |
| Material Document and Classification | MIL-M-20693 MIL SPEC 1ST MATERIAL RESPONSE LOCKING INSERT |
| Material Document and Classification | AMS 5010 ASSN STD 2ND MATERIAL RESPONSE NUT |
| Nut Counterbore Depth | 0.165 INCHES NOMINAL NUT IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.190 INCHES IN |
| Counterbore Diameter | 0.220 INCHES NOMINAL NUT IN |
| Pilot Diameter | 0.275 INCHES NOMINAL IN |
| Pilot Length | 0.165 INCHES NOMINAL IN |
| Locking Feature | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| Nut Height | 0.415 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL EXCEPT INSERT |
| Nut Style | CLINCH |
| Thread Class | 3B |
| Thread Quantity Per Inch | 20 |
| Material | STEEL COMP 1212 NUT |
| 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 |
|---|---|
| 2533402 PC 23 PRIMARY | Naval Sea Systems Command (USA) |
| 2533402 PC 23 | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| 2533406-23 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 2533402 PC 23 | 5/2 Secondary reference U.S. Government activity |
| 2533402-23 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 2533402PC23 | 5/9 Secondary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| 2533402 PC 23 | 5/9 Secondary reference U.S. Government activity |
| 22NC5-04 | 5/9 Secondary reference Harvard Industries Inc |
NSN 5310-00-081-9282 is a Nut,self-Locking,clinch, manufactured by Naval Sea Systems Command, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-081-9282 has 2 manufacturer part numbers on file: 2533402 PC 23 (Naval Sea Systems Command), 2533402 PC 23 (Sae International Dba Sae International).
1 possible match (shared part number, not a government interchangeability claim): 5940-01-597-0011. Verify interchangeability with system specifications before substitution.
Key specifications for 2533402 PC 23: Width Across Flats: 0.375 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL EXCEPT INSERT; Thread Series: UNIFIED NATIONAL COARSE (UNC); Temp Rating: 250.0 FAHRENHEIT NOMINAL DEGF. 19 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.