Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number RATO-S 2911 found under Element Coupling Shaft by Vulkan Kupplungs Und. The National Stock Number assigned to this part is 3010015638097, 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 RATO-S 2911.