Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number UG 1021A U found under Connector Plug Elec by Tru Inc. The National Stock Number assigned to this part is 5935007944215, 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 UG 1021A U.