The sub assemblies and components that make up this F-4 Front Brake Master Cylinder include this Cyln,fr.brk.mas, the most expensive part.
In this schematic the "Washer,oil Bolt" is used most often.
The most reasonably priced component used on the Ft500 1982 (c) F-4 Front Brake Master Cylinder is the Screw Wash.,4x12.