- Spin Nuts turn freely during install until the conical washer is compressed against the mating surface as the nut is tightened
- The locking tension created by the compressed washer helps prevent the nut from loosening during vibration
| Type | Nut |
| Style | Spin Nut |
| Size | 5/16"-18 |
| Material | Carbon Steel |
| Finish | Black Phosphate |
