The most reasonably priced component used on the Cf50c Japanese Home Market (cf50-320) Front Cushion is the Ring,back Up.
A sample from the products for the Front Cushion include: Rubber,stopper, Pipe R.slide, Circlip, Ex,27, Spring,rebound.
The nineteen Cf50c Japanese Home Market (cf50-320) Front Cushion component parts are all listed in this schematic.