Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 5L.7221.001.48 found under Amplifier Radio Frequency by Hensoldt Sensors Gmbh Div Seps. The National Stock Number assigned to this part is 5996015270245, 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 5L.7221.001.48.