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 6620-01-155-4014
NSN 6150-01-584-7429
NSN 5960-01-271-4820
NSN 5999-00-857-7550
NSN 5855-00-149-0766
NSN 6610-00-895-3854
NSN 6110-01-633-9660
NSN 5920-01-464-0460
NSN 7035-01-219-7987
NSN 2925-01-590-3981
NSN 5935-01-104-4740
NSN 2925-01-433-8915