Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number CHJ56.875 found under Coupling Half Shaft by Emerson Electric Co. The National Stock Number assigned to this part is 3010013241963, 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 CHJ56.875.