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 5920-01-481-5839
NSN 5925-00-152-9399
NSN 5999-00-817-6019
NSN 6130-00-279-5066
NSN 6110-01-585-5849
NSN 6610-01-198-3862
NSN 5905-01-211-6643
NSN 6320-01-397-9995
NSN 6135-00-112-8637
NSN 5998-01-110-1654
NSN 5925-00-998-1633
NSN 7035-01-444-4240