A nut having one convex, spherical bearing surface and 6 flat sides. Items may have a removable collar. An integral feature is incorporated for locking on the threads of a mating member. See also nut (1), self-locking, cone seat, hexagon.
Classification: Nuts of iron or steel
NSN 5998-01-398-0673
NSN 5895-01-235-8073
NSN 5915-01-367-8614
NSN 5910-01-208-7676
NSN 5935-01-332-8789
NSN 2925-01-094-4771
NSN 5930-00-696-0477
NSN 5950-01-555-7744
NSN 5930-00-815-0619
NSN 6145-00-982-4132
NSN 5895-01-423-1327
NSN 5945-01-483-1316