Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number X8170-CS108 ITEM 4 found under Connector Receptacl by Tyco Electronics Corporation. The National Stock Number assigned to this part is 5935012620782, and the Federal Supply Class is 5935 Connectors Electrical. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like X8170-CS108 ITEM 4.