Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 166 1021 008 found under Connector Receptacle Electrical by Ncr Corp Power Systems Div. The National Stock Number assigned to this part is 5935010170164, 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 166 1021 008.