Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number V400-012 ASSY V-40 found under Gear Operator Valve by Velan Valve Corporation. The National Stock Number assigned to this part is 4820014179418, 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 V400-012 ASSY V-40.