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 2925-00-580-4931
NSN 6685-01-627-8043
NSN 6130-00-131-2307
NSN 6685-01-183-9095
NSN 6685-00-159-6020
NSN 6135-01-437-6409
NSN 5935-01-478-0217
NSN 6650-01-178-5644
NSN 2925-00-477-2654
NSN 5960-01-286-3766
NSN 6645-00-235-4685
NSN 4140-00-597-5260