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 6645-01-575-4181
NSN 6135-01-236-8603
NSN 6145-00-459-4899
NSN 6135-01-059-4055
NSN 6130-00-896-9511
NSN 5920-01-037-6801
NSN 5935-01-310-9058
NSN 5960-00-539-7914
NSN 6240-01-136-4694
NSN 2925-01-215-5022
NSN 6220-00-279-1508
NSN 6320-00-336-9123