Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1-103-04 found under Washer Spring Sprt by I T E Imperial Corp Subsidiary Of. The National Stock Number assigned to this part is 5310011321996, and the Federal Supply Class is 5310 Nuts And Washers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 1-103-04.