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 5965-00-463-3929
NSN 2925-01-543-5571
NSN 5998-01-408-6921
NSN 6145-01-440-6481
NSN 5855-01-447-7168
NSN 5920-00-962-3567
NSN 6105-01-369-4702
NSN 5925-01-023-1411
NSN 6130-00-603-5409
NSN 6145-00-111-5667
NSN 6620-01-371-5040
NSN 6130-00-269-8273