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 6110-01-027-1172
NSN 7035-00-205-8739
NSN 5835-00-126-2961
NSN 5905-01-227-4422
NSN 4140-00-114-7634
NSN 5925-01-504-4765
NSN 6320-01-021-6633
NSN 7035-01-361-4176
NSN 5855-00-466-2309
NSN 6685-01-478-2999
NSN 6610-01-526-2054
NSN 4140-01-298-1630