Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 179-530135-BB203 found under Amplifieraudio Radio Frequency by Aviat Us Inc. The National Stock Number assigned to this part is 5996016855114, 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 179-530135-BB203.