Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number TURBO-7-1.5TT found under Tubing Turbo Cooler by The Walter Machine Co Inc. The National Stock Number assigned to this part is 4720014814592, and the Federal Supply Class is 4720 Hose And Flexible Tubing. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like TURBO-7-1.5TT.