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 5855-01-398-0090
NSN 2925-00-149-0760
NSN 6110-01-069-4547
NSN 6650-01-275-0945
NSN 5999-00-156-3314
NSN 6105-01-587-8522
NSN 5945-01-396-0626
NSN 6240-01-566-9408
NSN 6220-01-196-5969
NSN 6610-00-738-2571
NSN 6105-01-253-8858
NSN 6645-01-584-0892