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 2925-01-416-6927
NSN 6105-00-880-9621
NSN 2925-01-281-4212
NSN 6685-01-564-7618
NSN 6220-00-422-9972
NSN 5915-01-295-9354
NSN 7035-00-483-8630
NSN 6150-00-861-1385
NSN 5965-01-207-0991
NSN 5950-01-073-4702
NSN 6645-00-938-2173
NSN 5996-01-124-6350