Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 133640-1 found under Bracket Electrical Connector by Rotating Precision Mechanisms Inc. The National Stock Number assigned to this part is 5935016517146, 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 133640-1.