The Washer,plain, 6mm is the lowest priced item on this F 12 schematic.
Parts such as the F 12: Tube,350-10, Cam,rear,brake, Oil Seal 26x37x6, Bolt,hex 8x25 are included in the Cf50 Chaly Germany F 12 parts fiche.
thirty-seven components are shown in this Cf50 Chaly Germany F 12 exploded diagram.