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 5910-01-616-3453
NSN 5920-00-276-8657
NSN 5930-01-449-9650
NSN 2925-01-364-7926
NSN 6145-00-887-6395
NSN 6610-01-384-1587
NSN 5999-01-127-0462
NSN 5855-01-191-3404
NSN 7035-00-093-5840
NSN 5925-00-529-0441
NSN 6240-01-384-3887
NSN 6220-01-287-3220