Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number FTTS-F-22-1 found under Maintenance Kit Aircraft by Fatigue Technology International. The National Stock Number assigned to this part is 4920015219143, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like FTTS-F-22-1.