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.
NSN 5965-00-920-0455
NSN 6685-01-475-6641
NSN 7035-01-223-4097
NSN 6320-01-039-5891
NSN 6240-00-926-1213
NSN 5920-01-167-0810
NSN 6130-00-832-9162
NSN 5990-00-032-6334
NSN 5990-00-915-4531
NSN 5855-01-111-3962
NSN 5925-00-194-1010
NSN 5965-00-568-5802