- 5/16‑24 UNJF self‑locking shear‑type castellated hex nut with reduced height for weight‑sensitive shear joints
- Cadmium‑plated carbon steel with non‑metallic nylon insert to provide reusable prevailing torque
- Reduced‑height castle nut used with a cotter pin, combining mechanical and nylon‑insert locking for security in vibration
| Type | Nut |
| Style | Self‑Locking Castellated |
| Size | 5/16" |
| Material | Carbon Steel |
| Max Temp. | 250 deg F |
| Thread Style | UNJF, 5/16‑24, right‑hand |
| Head Style | Self‑locking castellated hexagon |
| Height | 0.2" |
| Locking Element | Secured with Cotter Pin |
| Mil-Spec | MS17826-5 |
