Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 311ES001B2403 found under Backshell Electrical Connector by H And H Industries Inc. The National Stock Number assigned to this part is 5935013750792, 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 311ES001B2403.