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.
NSN 5935-00-853-3437
NSN 6240-01-072-9652
NSN 6610-01-445-6362
NSN 5990-01-421-3325
NSN 5920-01-306-8691
NSN 5945-01-634-0588
NSN 6610-00-223-4519
NSN 5999-01-389-6536
NSN 5945-01-558-8900
NSN 6145-00-248-4944
NSN 5950-00-513-9596
NSN 5985-00-811-0384