Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 6358-4 found under Valve Extension Tire by Schrader Bridgeport International. The National Stock Number assigned to this part is 2640002502473, 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 6358-4.