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 5855-00-560-0110
NSN 5965-01-655-5965
NSN 5915-00-511-6642
NSN 5910-00-062-7898
NSN 5999-01-365-2581
NSN 6610-00-225-9886
NSN 6685-01-057-7720
NSN 5925-00-937-0552
NSN 5935-01-159-2597
NSN 6685-00-663-9000
NSN 6685-00-269-6444
NSN 5915-01-177-0320