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 6685-01-151-9703
NSN 5965-01-012-1065
NSN 5985-01-603-6974
NSN 5920-01-153-0561
NSN 5990-01-480-9938
NSN 5975-01-460-7887
NSN 6320-01-627-8295
NSN 6150-01-481-5163
NSN 6105-01-360-1828
NSN 5905-01-383-5597
NSN 5950-01-269-4194
NSN 5930-01-268-1621