Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number C800493-2 found under Valve Asy by Honeywell Intl Inc. The National Stock Number assigned to this part is 1660000951117, 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 C800493-2.