Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number CD80AF4 found under Damper Air Duct by Tomkins Industries Inc. The National Stock Number assigned to this part is 1660014689629, and the Federal Supply Class is 1660 Aircraft Air Conditioning Heating And Pressurizing Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like CD80AF4.