The fifteen Nx250 Ax-1 1988 (j) Japan Md21-100 F-17 component parts are all listed in this schematic.
The Nut-wash.,6mm is the cheapest item from this partsfiche.
A sample from the products for the F-17 include: Holder Comp.,fuse, Battery Ytx7l-bs, Cover B,starter M, Holder Assy.,fuse.