The most reasonably priced component used on the Ch125 Spacy 1986 (g) Switzerland Breather Separator (1) is the Screw-wash,4x16.
On this parts fiche the Clip,tube,b12.5 is the most specified component.
The Breather Separator (1) assembly is constructed from several parts from which the Camb Comp,brter is the most expensive.