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.
Classification: Nuts of iron or steel
NSN 2925-00-964-7128
NSN 5990-00-920-2894
NSN 5996-01-297-1564
NSN 6610-01-587-1803
NSN 4140-00-580-7630
NSN 5935-01-532-9465
NSN 5905-00-174-7057
NSN 5835-01-541-9991
NSN 6105-01-501-8709
NSN 5960-00-873-2627
NSN 5925-00-931-6138
NSN 5960-01-444-8163