Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number BAM3-4-5570 found under Amplifier Radio Frequency by Miteq Inc. The National Stock Number assigned to this part is 5996011549817, 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 BAM3-4-5570.