The Bolt,flange,6x16 is the lowest priced item on this F-7 schematic.
On this parts fiche the Spg.,fr.cushion is the most specified component.
Parts such as the F-7: Case,r.fr.forkbot, Spg.,fr.cushion, Bolt,fork, Set.oil/dus Seal are included in the Mt50s 1985 (f) Netherlands F-7 parts fiche.