Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 9K5 200 171S869A 2 found under Power Supply by Herley Industries Inc. The National Stock Number assigned to this part is 6130013651551, and the Federal Supply Class is 6130 Converters Electrical Non Rotating. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 9K5 200 171S869A 2.