Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number AK4160B2 found under Coupling And Shaft Assembly by Jan Hardware Mfg Co Inc. The National Stock Number assigned to this part is 3010004098645, 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 AK4160B2.