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 6645-01-218-9452
NSN 6105-01-544-4802
NSN 2925-00-629-7641
NSN 5985-00-081-1217
NSN 5998-01-563-0513
NSN 5985-00-166-3179
NSN 6150-00-241-9676
NSN 6320-00-841-2279
NSN 5996-00-116-7498
NSN 5990-01-148-3324
NSN 5935-01-642-7211
NSN 5925-01-214-8249