Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 4240 0300 found under Connector Receptacl by 3 M Deutschland Gmbh. The National Stock Number assigned to this part is 5935013249677, 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 4240 0300.