Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 13221176 found under Hose Nonmetallic by Tenn Val Inc. The National Stock Number assigned to this part is 4720012153085, 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 13221176.