Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A201200REVB found under Coupling Shaft Rigi by Raytheon Company. The National Stock Number assigned to this part is 3010002571705, 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 A201200REVB.