Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SK2226 found under Kit Exhaust Tube by Tennant Company. The National Stock Number assigned to this part is 4720011181904, 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 SK2226.