Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number D0809 found under Cartridge Ion Trap by Barnstead Thermolyne Corporation. The National Stock Number assigned to this part is 4610001391494, and the Federal Supply Class is 4610 Water Purification Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like D0809.