Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number FD4002-1 found under Duct Assembly Air C by Saint Gobain Performance Plastics. The National Stock Number assigned to this part is 1660014993272, 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 FD4002-1.