Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number HS5003-1409 found under Backshell Electrica by Boeing Company The. The National Stock Number assigned to this part is 5935013715357, 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 HS5003-1409.