Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number B31660-3 found under Connector Plug Electrical by At And T Corp. The National Stock Number assigned to this part is 5935001493979, 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 B31660-3.