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 6105-00-244-2276
NSN 6685-01-162-6977
NSN 2925-01-354-1752
NSN 6320-01-631-7828
NSN 5990-00-432-0649
NSN 6145-01-644-0534
NSN 6105-00-824-4118
NSN 5920-01-201-2936
NSN 6645-01-253-1950
NSN 6145-00-253-2787
NSN 5895-01-245-9090
NSN 6220-01-488-9416