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 5930-01-009-6252
NSN 5935-00-812-1264
NSN 6110-00-963-4035
NSN 5975-01-591-7070
NSN 5960-00-081-9255
NSN 2925-00-247-6248
NSN 6220-01-317-3283
NSN 6135-01-502-5787
NSN 6620-00-155-2608
NSN 6320-01-304-3639
NSN 7035-01-237-8653
NSN 6110-01-063-8309