This Switch-assy is the most expensive of the items that make up this Ignition Switch assembly.
Parts such as the Ignition Switch: Guard,seat Striker, Lock-assy,seat Strike, Bolt,flanged,6x35, Rotor,lock,tank Cap are included in the Ex400gjfa Ninja 400 2018 Europe,middle East,africa Ignition Switch parts fiche.
In this schematic the "Nut,flanged,5mm" is used most often.