Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number CXT-122001-1.00IN found under Valve Relief Pressu by Aerco International Inc. The National Stock Number assigned to this part is 4820014116369, 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 CXT-122001-1.00IN.