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 5999-01-122-5627
NSN 6150-01-527-3877
NSN 6320-01-067-0474
NSN 6145-01-461-8062
NSN 6105-00-624-0152
NSN 5996-00-172-7553
NSN 6650-01-504-4745
NSN 7035-00-834-2090
NSN 5925-00-733-5497
NSN 5996-01-091-9337
NSN 5990-00-471-4975
NSN 5935-01-509-9582