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 5905-00-234-6205
NSN 6610-01-278-9704
NSN 2925-00-938-3797
NSN 6650-01-640-6941
NSN 6110-01-104-4777
NSN 5905-00-684-4999
NSN 5835-01-482-1591
NSN 5945-01-522-1518
NSN 6685-01-260-5738
NSN 4140-01-083-4489
NSN 5855-01-042-7990
NSN 5945-01-388-0856