Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number CD18720 found under Coupling Diesel Eng by Emerson Power Transmission Corpo. The National Stock Number assigned to this part is 2815004102112, and the Federal Supply Class is 2815 Diesel Engines And Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like CD18720.