Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number FPRX-8400DM found under Amplifier Radio Frequency by Vertex Electronic Products Inc. The National Stock Number assigned to this part is 5996015353325, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like FPRX-8400DM.