 
  - Self-locking nuts have a reduced height and are used in limited space applications where access is a problem
- These nuts are rated at a max temperature of 450 deg F and have a tensile strength of 160,000 psi
| Type | Nut | 
| Style | Self-Locking | 
| Size | 0.3750-24 (3/8"-24) | 
| Material | Steel | 
| Max Temp. | 450° F | 
| Thread Style | Fine, UNJF-3B | 
| Head Style | Hex, Reduced Height | 
| Height | 0.282 | 
| Lubricant | Not Dry Film Lubricated | 
| Tensile Strength | 160,000 psi | 
| Locking Element | All Metal | 
| Mil-Spec | MS21042-6 | 
| NAS Spec | NASM21042 | 
 
                          
                 
                 
                 
                 
                