Rebuilding lift. Converting to NAA piston. The clevis pin that connects the connecting rod to the ram arm was damaged so want to replace. It is either not listed or CNH and online sites state Ford 8N Pin, Procure Locally, Pin, Clevis, Connecting Rod to Ram Arm, 5/16" x 2-1/8", Years: 01/01/1939-12/31/1952 .. Found at local farm hardware store but no info on grade. Anyone with grade requirement or where to buy?