Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A21 7040 found under Connector Receptacl by Bae Systems Electronics Limited Div Underwater Systems Division. The National Stock Number assigned to this part is 5935012484517, 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 A21 7040.