Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number W2F25565-163 found under Tube Torque by Speco Corp. The National Stock Number assigned to this part is 4710008699316, 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 W2F25565-163.