Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number X48646 found under Tire Solid by Wurlitzer Co The. The National Stock Number assigned to this part is 2630007929775, and the Federal Supply Class is 2630 Tires Solid And Cushion. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like X48646.