A sample from the products for the Carburetor (assy.) include: Collar, Washer,screw, Nut,flange,6mm, Gasket Set B.
In this schematic the "Clamp D 10.0 Tube" is used most often.
thirty-seven components are listed in the schematic for this Cb500 2000 (y) France / 34p Carburetor (assy.) .