Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number XREF3204 found under Filter Radio Freque by Hamilton Sundstrand Corporation. The National Stock Number assigned to this part is 5915011125226, 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 XREF3204.