Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number CIS-239 found under Hose Plastic by Cisco Industrial Supply And Fasteners. The National Stock Number assigned to this part is 4720016024698, 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 CIS-239.