The sub assemblies and components that make up this F-20 include this Cushion Assy.,rr., the most expensive part.
This F-20 diagram displays the required parts for the Mt50s 1980 (a) Belgium F-20.
Some items from this specific schematic: Adjuster,spring, Spg.,rr.cushion, Bolt,flange,10x35, Rubber,stopper.
