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 6240-01-179-4547
NSN 6685-01-170-7375
NSN 5975-01-224-6215
NSN 5935-00-964-5470
NSN 5930-01-394-3738
NSN 6135-01-525-8196
NSN 5996-01-409-1020
NSN 5835-01-205-6614
NSN 5910-01-198-8303
NSN 4140-00-707-5963
NSN 5930-00-117-3821
NSN 6320-01-347-2638