Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 5598990 found under Valve Pneumatic Tire by Am General Llc. The National Stock Number assigned to this part is 2640015221523, and the Federal Supply Class is 2640 Tire Rebuilding And Tire And Tube Repair Materials. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 5598990.