In this schematic the "Nut,flange,7mm" is used most often.
Of all the components that make up this E-2-1 the Screw,pan,5x25 has the lowest price.
Parts such as the E-2-1: Plate,cylinder He, Plate,cam Stopper, Insulator Comp,th, Clip,valve Guide are included in the C50bn 2008 (8) Aa01-170 Japan (jdm) E-2-1 parts fiche.