Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number V2712 found under Valve Check by Copesvulcan Inc. The National Stock Number assigned to this part is 4820003904206, 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 V2712.