Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number ZKG11A3Z found under Coupling Shaft Flex by Ambac International Corporation. The National Stock Number assigned to this part is 3010004284081, 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 ZKG11A3Z.