Two parts mounted on common axis so as to permit a relative rotation between the parts. One part has a round or oval opening and the other is u-shaped and has a pin or bolt across the open legs.
NSN 5935-01-185-8954
NSN 6220-00-769-4050
NSN 6110-00-596-9124
NSN 5905-01-479-4195
NSN 6145-01-531-0193
NSN 6240-01-320-1308
NSN 5985-01-357-5950
NSN 6610-00-714-0549
NSN 5855-01-152-8782
NSN 6620-01-132-1776
NSN 4140-01-585-7827
NSN 5945-01-342-6213