The lowest price component in this Upper Casing parts-list fiche is the Washer, Plain (646).
With all the components that make up the 6/8 F 89 1989 UPPER CASING assembly. The Bolt (6g1) is the most frequently specified with six applications.
This schematic depicts all components used in the 6/8 F 89 1989 Upper Casing partslist.