Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number POWERSURVIVOR 40E found under Water Purification Unit Unmounte by Katadyn North America Inc. The National Stock Number assigned to this part is 4610014658018, 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 POWERSURVIVOR 40E.