Two u-shaped parts mounted on a common axis so as to permit relative rotation between the parts. The u-shaped parts have a pin or a bolt across the open legs.
NSN 5915-00-110-2619
NSN 5930-01-143-7669
NSN 5975-01-634-0678
NSN 5855-01-171-8391
NSN 6685-01-058-1179
NSN 6620-01-205-4815
NSN 5915-00-716-7165
NSN 5998-01-600-7827
NSN 5999-00-388-0584
NSN 5950-01-104-7273
NSN 5975-01-262-3147
NSN 6610-01-047-3522