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 5960-01-181-2143
NSN 5999-00-187-2767
NSN 6645-00-072-1909
NSN 5998-01-519-3339
NSN 6220-01-270-3733
NSN 5905-01-608-2465
NSN 5925-01-026-9649
NSN 6620-01-035-7803
NSN 6105-01-496-1844
NSN 5905-01-142-7446
NSN 6110-01-119-3555
NSN 5835-01-546-2008