Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number G50-1 found under Coupling Shaft Rigi by Designatronics Incorporated. The National Stock Number assigned to this part is 3010010192954, 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 G50-1.