A nut having a flat bearing surface and 6 flat sides with slots in its upper portion. It is designed to provide positive locking when used with a solid or split (cotter) pin. Excludes nut (1), plain, castellated, hexagon.
Classification: Nuts of iron or steel
NSN 4140-00-073-4475
NSN 6105-00-792-8384
NSN 6650-00-450-1749
NSN 6610-00-100-1195
NSN 6320-01-514-6141
NSN 5960-01-114-8152
NSN 5915-01-380-9577
NSN 6135-00-145-8884
NSN 6240-01-549-9408
NSN 5855-01-228-0942
NSN 6150-00-528-4175
NSN 6135-01-238-2878