A d-shaped part and a u-shaped part mounted on a common axis so as to permit relative rotation between the parts. The u-shaped part has a pin or a bolt across the open legs.
NSN 6610-01-586-8990
NSN 6320-01-067-0474
NSN 6620-01-301-3258
NSN 6645-01-338-7066
NSN 5960-00-579-0298
NSN 6150-00-970-1226
NSN 6135-01-633-8502
NSN 2925-01-614-9184
NSN 5895-00-141-9127
NSN 6240-01-621-1117
NSN 6240-01-213-1449
NSN 5996-01-316-1653