Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number CIS-166 found under Hose Braided Ss by Cisco Industrial Supply And Fasteners. The National Stock Number assigned to this part is 4720016024702, 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-166.