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 5930-01-046-1770
NSN 5990-00-918-4467
NSN 6320-01-140-1763
NSN 6610-00-495-1344
NSN 5985-01-432-5081
NSN 6135-01-441-0518
NSN 5910-00-947-6306
NSN 5905-01-358-6486
NSN 5985-01-487-4053
NSN 5990-00-226-7894
NSN 6220-01-307-3181
NSN 5996-01-135-9848