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 5999-00-824-5389
NSN 5985-00-800-5438
NSN 6620-01-226-6569
NSN 6130-01-400-6123
NSN 5855-01-420-0851
NSN 5935-00-889-3345
NSN 6645-01-287-7348
NSN 2925-01-583-5619
NSN 4140-00-652-9238
NSN 5915-01-025-1362
NSN 5855-01-096-9294
NSN 5905-01-221-6407