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 5910-01-100-1161
NSN 6240-01-384-8802
NSN 5999-01-313-2487
NSN 6130-01-323-4425
NSN 6240-00-170-5302
NSN 5895-01-492-2629
NSN 5935-01-612-9309
NSN 5965-00-481-9737
NSN 5950-01-610-2068
NSN 5910-01-123-5835
NSN 5935-01-464-6910
NSN 6110-00-283-3630