Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 10001D0157 101 found under Amplifier Radio Fre by Northern Telecom Systems Corp. The National Stock Number assigned to this part is 5996009056610, 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 10001D0157 101.