Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number EN3040-43 found under Adapter Connector by Automatic Connector. The National Stock Number assigned to this part is 5935005533399, 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 EN3040-43.