Two u-shaped parts mounted on a common axis so as to permit relative rotation between the parts. The u-shaped parts have a pin or a bolt across the open legs.
NSN 5965-00-246-5612
NSN 5935-00-469-0387
NSN 5965-00-513-1352
NSN 5999-01-128-6588
NSN 6620-01-205-6608
NSN 6145-00-226-9499
NSN 5975-00-122-9518
NSN 5910-01-510-3864
NSN 6105-01-481-7687
NSN 5935-01-234-3280
NSN 5975-01-081-5095
NSN 6220-01-119-0742