Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 605-0009 found under by Apical Industries Inc. The National Stock Number assigned to this part is 4820015550800, 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 605-0009.