Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 3 0539 9003 0 found under Disk Clutch Nonvehi by Eugen Schmd And Assocs Cnsltng E. The National Stock Number assigned to this part is 3010121907004, and the Federal Supply Class is 3010 Torque Converters And Speed Changers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 3 0539 9003 0.