Of all the components that make up this Fuel Tank the Screw,oval,3x6 has the lowest price.
The forty Cb450sc Nighthawk 1985 (f) Usa California Fuel Tank component parts are all listed in this schematic.
Some items from this specific schematic: Washer, 8.3m/m, Packing, Cock, Tube Fuel Cock Va, Cup,fuel Strainer.