Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number XPX1 SSAAA TEU TF ST found under Pump by Wilden Pump And Engineering Co. The National Stock Number assigned to this part is 4320016213228, and the Federal Supply Class is 4320 Power And Hand Pumps. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like XPX1 SSAAA TEU TF ST.