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 5905-01-393-5029
NSN 6645-00-494-0839
NSN 5915-00-147-0603
NSN 6145-01-575-6447
NSN 5985-01-356-6232
NSN 6240-01-407-0596
NSN 5935-01-034-1856
NSN 6220-01-252-9285
NSN 6130-00-520-5884
NSN 6130-01-103-8480
NSN 7035-01-080-3392
NSN 6110-01-487-8867