Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number CFN-2-1000.1 found under Filter Band Pass Lo by Piezo Technologyinc. The National Stock Number assigned to this part is 5915016057455, and the Federal Supply Class is 5915 Filters And Networks. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like CFN-2-1000.1.