In this schematic the "Washer, Plate (4x7)" is used most often.
A sample from the products for the Cylinder include: Bolt, Flange, Washer, Plate (4x7), Bolt, Flange, Clamp.
The seven Xt660x 2007 10s1 Greece 1f10s-300g1 Cylinder component parts are all listed in this schematic.