Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 20X4.4 14PR found under Tire Pneumatic Aircraft by Dunlop Aviation Inc. The National Stock Number assigned to this part is 2620010422783, and the Federal Supply Class is 2620 Tires And Tubes Pneumatic Aircraft. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 20X4.4 14PR.