The Bolt,flange,sh,6x16 is the lowest priced item on this E-5 schematic.
Parts such as the E-5: Plug,adjuster, Clip B,hose., Bolt,flange,6x22, Pin,dowel,10x14 are included in the Cn250 Fusion 2004 (4) Japan Mf02-210 E-5 parts fiche.
The E-5 is made up of components including this Cylinder Comp. which is the most expensive.