Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 639-536 found under Socket Plug In Elec by American Electronics Inc. The National Stock Number assigned to this part is 5935005962679, 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 639-536.