Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 16209 found under Cartridge Valve Act by Gh Bettis A Galvestonhouston Co. The National Stock Number assigned to this part is 4810012493834, and the Federal Supply Class is 4810 Valves Powered. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 16209.