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 6240-01-150-2009
NSN 5960-00-390-5846
NSN 5965-01-177-4872
NSN 5999-01-596-3112
NSN 6320-01-260-7390
NSN 6650-00-587-6917
NSN 5998-01-262-4811
NSN 5945-01-212-1906
NSN 5915-01-013-8995
NSN 5930-00-407-3126
NSN 5945-00-222-7503
NSN 5999-01-452-1931