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 5910-01-394-5357
NSN 5920-00-539-6920
NSN 6620-01-448-8926
NSN 5960-01-170-4057
NSN 5996-00-691-1818
NSN 5835-01-408-7576
NSN 6135-01-111-1495
NSN 5945-00-264-6302
NSN 7035-01-021-0074
NSN 5965-01-026-9865
NSN 5999-01-474-8754
NSN 5935-01-047-9000