Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 13074944-2 found under Washer Key by Program Manager Advanced Attack. The National Stock Number assigned to this part is 5310011727500, 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 13074944-2.