Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number FF-1319-13 found under Filterradio Frequency Interfere by Jmk Inc. The National Stock Number assigned to this part is 5915016804006, 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 FF-1319-13.