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 5855-00-149-0766
NSN 5910-00-223-3532
NSN 5996-01-181-2697
NSN 6610-01-641-4191
NSN 6240-01-111-2456
NSN 6135-00-284-1406
NSN 5930-01-090-0223
NSN 6240-01-308-1848
NSN 5920-01-324-9753
NSN 6105-00-344-0340
NSN 5985-01-364-1149
NSN 5895-01-305-3002