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 6240-01-452-5005
NSN 2925-00-516-8841
NSN 5999-01-634-0576
NSN 6620-00-464-6105
NSN 5999-01-244-0564
NSN 7035-01-146-7096
NSN 5975-00-355-9361
NSN 6610-01-116-9276
NSN 5935-01-351-2975
NSN 5925-01-461-2441
NSN 5950-01-366-0830
NSN 6110-01-551-0793