Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number TF169-5-18 found under Hose Assembly Air Breathing by Hyspan Precision Products Inc. The National Stock Number assigned to this part is 4720000714266, 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 TF169-5-18.