Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 255339 412 found under Filter Element Wate by Pentair Filtration Inc. The National Stock Number assigned to this part is 4610016096755, and the Federal Supply Class is 4610 Water Purification Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 255339 412.