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 6105-01-274-7789
NSN 5965-01-372-7272
NSN 5998-01-116-7164
NSN 6150-00-578-4202
NSN 5990-00-964-6422
NSN 5920-01-166-7421
NSN 6620-01-542-0494
NSN 5915-01-007-3265
NSN 5985-01-162-3217
NSN 5990-00-462-9112
NSN 6220-01-302-4448
NSN 6320-00-449-5096