Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number AE145-4 found under Tubing Nonmetallic by Aar Parts Trading Inc. The National Stock Number assigned to this part is 4710007075797, 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 AE145-4.