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 6645-01-162-4509
NSN 6650-00-193-7358
NSN 5910-00-227-9795
NSN 7035-00-585-2113
NSN 6685-01-573-8401
NSN 6130-00-337-8054
NSN 5905-01-090-3698
NSN 5998-01-248-6177
NSN 5855-01-013-6864
NSN 7035-00-392-5417
NSN 5975-01-553-8304
NSN 5855-00-688-9954