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 6320-00-853-1920
NSN 5920-01-050-7474
NSN 5990-01-023-3307
NSN 6145-00-445-7839
NSN 5835-01-495-0595
NSN 5910-01-236-8802
NSN 6135-00-062-5080
NSN 6135-01-493-5750
NSN 5930-01-028-5620
NSN 5925-01-398-0517
NSN 6135-00-057-2005
NSN 5945-00-938-3994