The Screw,pan,4x12 is the lowest priced item on this Carburetor (assy.) schematic.
A sample from the products for the Carburetor (assy.) include: Diaphragm Set, Screw Wash.5x14, Carburetor Assy (, Screw,cross,5x12.
Check out any of the twenty-one Carburetor (assy.) components enlisted.