The Screw,cross 6x40 is the most widely applied product in the CB400ND 1984 (E) NORTHERN EUROPE OIL PUMP - OIL PRESSURE SWITCH ( four times ).
Parts such as the Oil Pump - Oil Pressure Switch: Collar,distance, Sprocket,oil Pump, Bolt Flange,12x25, Sw,oil Pressure are included in the Cb400nd 1984 (e) Northern Europe Oil Pump - Oil Pressure Switch parts fiche.
The Screw,cross 6x40 is the cheapest item from this partsfiche.