Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number MR10 11 12 REV G MR10T680GR found under Valve Regulating Fl by Circor Aerospace Inc. The National Stock Number assigned to this part is 4820016206304, 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 MR10 11 12 REV G MR10T680GR.