In this schematic the "Screw, Pan" is used most often.
This schematic depicts all components used in the Ttr90 2001 5hn6 France 115hn-100e2 Crankcase Cover 1 partslist.
A sample from the products for the Crankcase Cover 1 include: Oil Seal(2fj), Screw, Pan, Plug, Oil Level, Gasket, Crankcase Cover 1 (nas).