Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 9521M18 found under Rotor Turbine Aircr by General Electric Co. The National Stock Number assigned to this part is 2840014148411, and the Federal Supply Class is 2840 Gas Turbines And Jet Engines Aircraft Prime Moving And Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 9521M18.