The Screw is the most widely applied product in the DR200 1987 (H) FUEL COCK ( two times ).
Parts such as the Fuel Cock: Hose, Cock Assy,fuel, Screw, Washer,lock are included in the Dr200 1987 (h) Fuel Cock parts fiche.
The Washer,lock is the lowest priced item on this Fuel Cock schematic.