Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number T80434T0012 found under Cartridge Valve by Proconex Inc. The National Stock Number assigned to this part is 4820014795343, and the Federal Supply Class is 4820 Valves Nonpowered. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like T80434T0012.