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 6110-01-223-5973
NSN 5910-00-863-8100
NSN 5855-01-634-0259
NSN 6650-01-449-2334
NSN 6130-01-234-0864
NSN 6620-00-104-6937
NSN 7035-01-435-7962
NSN 6130-01-553-3736
NSN 5930-01-565-9306
NSN 6610-01-267-9881
NSN 6320-00-931-4855
NSN 5935-01-381-2717