This F-13 diagram displays the required parts for the Mt50s 1981 (b) Belgium F-13.
A sample from the products for the F-13 include: Cover,r.*r-23*, Cover,l.*r-23*, Bolt, Flange,6x12, Cover,r.*nh-24*.
The Bolt, Flange,6x12 is the lowest priced item on this F-13 schematic.