Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number TYIV CL1 TR VC4 found under Cap Pneumatic Valve by Federal Specifications. The National Stock Number assigned to this part is 2640007746448, 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 TYIV CL1 TR VC4.