Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 90USF300 found under Flag National by Blackhawk Industries Inc. The National Stock Number assigned to this part is 8345015334718, and the Federal Supply Class is 8345 Flags And Pennants. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 90USF300.