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.
NSN 5910-01-270-6958
NSN 5998-00-243-2762
NSN 5895-01-634-0630
NSN 5960-01-115-6840
NSN 6135-00-416-2898
NSN 6105-01-346-6798
NSN 6620-01-084-2255
NSN 5960-00-415-1797
NSN 6150-01-422-4686
NSN 6135-01-482-7901
NSN 6645-01-259-7142
NSN 5930-01-207-1012