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 6320-00-831-2227
NSN 5960-01-578-5537
NSN 6620-00-269-5168
NSN 6145-01-355-3727
NSN 6240-01-653-5998
NSN 6105-00-126-2620
NSN 5960-01-075-7732
NSN 5835-01-485-0210
NSN 2925-00-918-0859
NSN 5915-01-147-4830
NSN 6130-00-577-8470
NSN 5950-01-557-7304