Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 921063-18 found under Connector Plug Elec by Raytheon Company. The National Stock Number assigned to this part is 5935006605119, 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 921063-18.