Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 8635-3400-00 found under Heat Exchanger Fluid To Fluid Ai by Elbit Systems Ltd. The National Stock Number assigned to this part is 1660014489601, 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 8635-3400-00.