Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number ZF13K4E-TFD found under Compressor Centrifugal by United Refrigeration Inc. The National Stock Number assigned to this part is 4310016087999, and the Federal Supply Class is 4310 Compressors And Vacuum Pumps. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like ZF13K4E-TFD.