NOS GM Steering Gear Box Pitman Shaft Oil Seal, also known as the Sector Shaft Seal GM OEM part # 263463 ( see last picture out of GM parts book for the cars this fits). From a old closed GM Dealership.This will fit the following automobiles:1939-1962 Chevrolet and Pontiac - see last picture for applications.
Metal has a little surface rust but wont hurt the functions of the part.