Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number PHD2-BX20 found under by Technical Rubber Company Inc. The National Stock Number assigned to this part is 2640001388367, 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 PHD2-BX20.