Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 89U-009-S081 found under Actuator Hydraulic by Tyco Valves And Controls Lp. The National Stock Number assigned to this part is 4810015263397, and the Federal Supply Class is 4810 Valves Powered. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 89U-009-S081.