A sample from the products for the Taillight (2) include: Rubber,cushion, Bolt,hex 6x25, Bulb,stop & Tail 6v 21/5w, Screw,tap.,4x60.
In this schematic the "Rubber,cushion" is used most often.
This schematic depicts all components used in the Z50g Monkey 1979 (z) Germany Taillight (2) partslist.