Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number ARK7003 622 found under Pipe Assembly Metal by Boeing Company The. The National Stock Number assigned to this part is 4710015824389, and the Federal Supply Class is 4710 Pipe Tube And Rigid Tubing. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like ARK7003 622.