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 5895-01-394-5469
NSN 5925-01-634-0664
NSN 6135-00-334-4500
NSN 5996-01-158-2531
NSN 2925-01-497-9381
NSN 5985-01-062-0675
NSN 5925-01-157-9950
NSN 6130-01-233-8882
NSN 6105-01-530-6051
NSN 6145-00-334-0106
NSN 6220-01-220-3286
NSN 5925-01-449-1078