The Nut,self-Locking,clinch, cataloged under National Stock Number 5310-00-003-5447, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 20 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5310-00-003-5447 |
| Item Name | Nut,self-Locking,clinch |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE NUT |
| Thread Series | UNF |
| Temp Rating | 350.0 FAHRENHEIT NOMINAL DEGF |
| Material Document and Classification | MIL-M-20693,COMP A TYPE 1 MIL SPEC 1ST MATERIAL RESPONSE LOCKING INSERT |
| Nut Counterbore Depth | 0.082 INCHES NOMINAL NUT IN |
| Features Provided | FLOATING NUT |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.190 INCHES IN |
| Nut Diameter | 0.350 INCHES NOMINAL IN |
| Counterbore Diameter | 0.227 INCHES MINIMUM AND 0.237 INCHES MAXIMUM NUT IN |
| Pilot Diameter | 0.273 INCHES MINIMUM AND 0.278 INCHES MAXIMUM IN |
| Pilot Length | 0.060 INCHES NOMINAL IN |
| Locking Feature | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| Nut Height | 0.281 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM NUT |
| Nut Style | CLINCH |
| Thread Class | 3B |
| Thread Quantity Per Inch | 32 |
| Material | STEEL NUT |
| Material | PLASTIC POLYAMIDE NYLON LOCKING INSERT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| F12NC4284-2-02 | 5/9 Secondary reference Harvard Industries Inc |
| 964537-8 | 3/2 Design control — primary reference U.S. Government activity |
| F12NC4284-2-02 | 3/2 Design control — primary reference U.S. Government activity |
| 343699-1 | 7/2 Vendor item drawing reference Raytheon Company Div Corp |
| 7536487P9 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 5310-00-003-5447 is a Nut,self-Locking,clinch, classified under FSC 5310, Nuts and Washers. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5340-01-120-3353. Verify interchangeability with system specifications before substitution.
Key specifications for 5310-00-003-5447: Surface Treatment Document and Classification: QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE NUT; Thread Series: UNF; Temp Rating: 350.0 FAHRENHEIT NOMINAL DEGF; Material Document and Classification: MIL-M-20693,COMP A TYPE 1 MIL SPEC 1ST MATERIAL RESPONSE LOCKING INSERT. 20 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.