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 2925-01-238-9974
NSN 5910-01-357-7314
NSN 4140-01-143-2523
NSN 4140-01-028-2004
NSN 5950-01-155-2469
NSN 6320-00-242-3300
NSN 6645-00-715-1531
NSN 5945-01-351-5354
NSN 5925-01-294-5707
NSN 5990-00-226-7894
NSN 5905-01-399-8523
NSN 5920-01-462-0055