Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 555063-054 found under Filter Radio Frequency Interfere by Bae Systems Information And Electronic Systems Integration Inc Div Bae Systems. The National Stock Number assigned to this part is 5915008975512, 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 555063-054.