Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 640300-2 found under Socket Plug In Elec by U S Dept Of Transportation Federal. The National Stock Number assigned to this part is 5935013966116, 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 640300-2.