Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 8013438 found under Water Purification Unit Unmounte by Katadyn Produkte Ag. 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 8013438.