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 6105-01-310-8853
NSN 2925-01-298-2674
NSN 5960-00-287-9932
NSN 5998-01-422-1117
NSN 6620-01-220-7105
NSN 5975-01-205-6104
NSN 5999-00-246-4368
NSN 6105-00-010-2386
NSN 5930-01-141-7740
NSN 6220-00-030-6728
NSN 2925-01-299-6967
NSN 6110-00-437-3400