Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 6T04-023 found under Filter Element Wate by Parker Hannifin Ltd. The National Stock Number assigned to this part is 4610016149543, 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 6T04-023.