Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 271451005503 found under Pipe Intake Transmi by Alvis Inc. The National Stock Number assigned to this part is 4710011646876, 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 271451005503.