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 6650-01-065-1704
NSN 6110-00-500-3175
NSN 6650-01-188-8028
NSN 5999-01-634-0576
NSN 6645-01-123-9277
NSN 6105-00-435-8829
NSN 5950-01-512-2430
NSN 5935-01-198-0282
NSN 5935-01-398-0688
NSN 5999-00-465-3681
NSN 7035-00-238-3662
NSN 5855-01-657-7657