Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A1020 found under Connector Plug Electrical by Barker And Williamson. The National Stock Number assigned to this part is 5935006436963, 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 A1020.