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 5975-01-375-8647
NSN 5990-00-916-8668
NSN 6130-01-192-5522
NSN 5999-01-084-7197
NSN 6610-01-259-1718
NSN 5905-01-091-3891
NSN 6105-01-088-5603
NSN 5935-01-556-1816
NSN 2925-01-322-9780
NSN 5925-01-291-2828
NSN 6610-01-100-3662
NSN 6135-00-840-6451