Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number EM1-F-0326A found under Filter Radio Frequency Interference by Bae Systems Information And Electronic Systems Integration Inc. The National Stock Number assigned to this part is 5915010797399, 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 EM1-F-0326A.