Parts such as the F-4: Screw,lt.setting, Susp,audible Pilt, Pilot,audible, Cover,hndl*nh138* (jdm) are included in the C50l 2007 (7) Japan Aa01-390 F-4 parts fiche.
Of all the components used in this assembly the Cover,hndl*nh138* (jdm) is the most expensive.
The Bolt-washer,8x16 is the lowest priced item on this F-4 schematic.