Parts such as the F-18: Bush,upper Rubber, Collar, Cushion, Collar, Cushion, Washer,sprkt Sett are included in the C50bnd 1995 (s) Japan C50-060 F-18 parts fiche.
With four applications this Washer,sprkt Sett is the most specified part.
This schematic depicts all components used in the C50bnd 1995 (s) Japan C50-060 F-18 partslist.