Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 90945A708 found under Washer Flat by Superior Washer And Gasket Corp. The National Stock Number assigned to this part is 5310016267723, 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 90945A708.