Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number D80089-4 found under Poppet Valve Soleno by Hydro Aire Inc. The National Stock Number assigned to this part is 1680004208130, and the Federal Supply Class is 1680 Miscellaneous Aircraft Accessories And Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like D80089-4.