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 5990-00-313-8688
NSN 5945-01-403-2800
NSN 5999-01-496-7578
NSN 5999-01-387-7364
NSN 6645-01-535-7136
NSN 6610-01-023-1918
NSN 6145-00-843-8744
NSN 5999-01-361-8950
NSN 6650-01-520-6130
NSN 5935-00-202-9480
NSN 5910-00-067-6743
NSN 4140-01-081-4790