Check out any of the ten Fuel Tank - Fuel Cock components enlisted.
The Screw is the lowest priced item on this Fuel Tank - Fuel Cock schematic.
A sample from the products for the Fuel Tank - Fuel Cock include: Spacer(8.5x12x11), Hose(5x9x600), Gasket,cleaner Cup (nas), Hose(5x9x600).