Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number VT3612-40UU-190507 found under Valveball by Specialty And Ball Valve Engineering. The National Stock Number assigned to this part is 4820016898049, and the Federal Supply Class is 4820 Valves Nonpowered. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like VT3612-40UU-190507.