Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 511618 found under Retainer Electrical Connector by Brp Us Inc. The National Stock Number assigned to this part is 5935011821250, 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 511618.