Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 54E4E4 found under Connector Set Elect by Harvard Industries Inc. The National Stock Number assigned to this part is 5935010297963, 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 54E4E4.