The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-00-153-3142, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-153-3142 |
| Item Name | Nut,self-Locking,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Width Across Flats | 2.000 INCHES NOMINAL IN |
| Bearing Surface Finish | 125.0 MICROINCHES |
| Thread Series | UN |
| Material Document and Classification | QQ-S-764,CONDA, FED SPEC 2ND MATERIAL RESPONSE OR MIL-C-13924 MIL SPEC 2ND MATERIAL RESPONSE NUT |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.688 INCHES IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN OR PREVAILING TORQUE WITH NONMETALLIC INSERT |
| Nut Height | 0.312 INCHES NOMINAL IN |
| Surface Treatment | OXIDE NUT |
| Nut Style | HEXAGON |
| Thread Class | 2B |
| Thread Quantity Per Inch | 20 |
| Material | STEEL COMP 303 NUT |
| Bearing Surface Type | CHAMFERED OR WASHER FACED |
| 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 |
|---|---|
| 3040706-048-101 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-00-153-3142 is a Nut,self-Locking,hexagon, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-00-153-3142: Width Across Flats: 2.000 INCHES NOMINAL IN; Bearing Surface Finish: 125.0 MICROINCHES; Thread Series: UN; Material Document and Classification: QQ-S-764,CONDA, FED SPEC 2ND MATERIAL RESPONSE OR MIL-C-13924 MIL SPEC 2ND MATERIAL RESPONSE NUT. 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.