Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 6-3-99 found under Flag Organizational by Clarke Industries Inc. The National Stock Number assigned to this part is 8345006499276, 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 6-3-99.