Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 8CM WITH FLYWHEEL found under Coupling Shaft Flex by Rexnord Llc Div Falk Gear Group. The National Stock Number assigned to this part is 3010012860068, 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 8CM WITH FLYWHEEL.