Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number EV312839 found under Valve Linear Direct by Pentair Filtration Inc. The National Stock Number assigned to this part is 4820015960145, 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 EV312839.