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 6685-01-281-1224
NSN 5960-01-104-3426
NSN 6150-01-086-2461
NSN 6150-01-508-4207
NSN 6685-01-073-2376
NSN 7035-01-535-5911
NSN 6145-01-253-9094
NSN 6150-00-984-1892
NSN 6105-00-190-0224
NSN 6220-01-156-1168
NSN 5975-00-753-6864
NSN 6650-00-397-6893