Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number ALX 020 3541 444 found under Amplifier Radio Frequency by Ctt Inc. The National Stock Number assigned to this part is 5996016170367, 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 ALX 020 3541 444.