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 6150-01-050-9811
NSN 5965-01-170-0075
NSN 5855-01-244-9785
NSN 5999-00-398-0135
NSN 4140-00-733-7936
NSN 5950-01-571-6618
NSN 6110-00-040-0164
NSN 5945-01-375-1613
NSN 6240-00-494-0927
NSN 5950-01-010-9451
NSN 5990-00-221-0878
NSN 6650-01-185-2544