Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number F4040 A 1 0 ODX3 4ID found under Tubing Nonmetallic by Fournier Rubber And Supply Co. The National Stock Number assigned to this part is 4720013700188, 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 F4040 A 1 0 ODX3 4ID.