This schematic depicts all components used in the Ts250er 1980 (t) (01 02 E04 E09 E16 E17 E18 E21 E22 E24 E30 E39) Pilot Box partslist.
The Washer is the cheapest item from this partsfiche.
Some items from this specific schematic: Socket, Cap,pilot Box Bolt, Screw 6x12, Bulb(6v/3w).