The lowest price component in this Right Side Cover / Battery parts-list fiche is the Spg/washer,6mm.
In this schematic the "Rubber,bat.box" is used most often.
Parts such as the Right Side Cover / Battery: Nut Hex 6mm, Rubber,mag.shock, Cover,mag.switch, Grommet A,cleaner are included in the Cm400e 1981 (b) Usa Right Side Cover / Battery parts fiche.