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 5945-01-552-6438
NSN 6135-01-644-9348
NSN 6130-01-302-7983
NSN 5998-01-063-7392
NSN 5985-01-189-9767
NSN 6150-00-570-0552
NSN 5965-01-460-1276
NSN 4140-00-269-5795
NSN 6135-01-148-8531
NSN 6220-01-186-0770
NSN 6135-01-265-1384
NSN 5930-01-211-4480