Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A440696 found under Water Purification Unit Unmounte by Thermo Fisher Scientific Inc. The National Stock Number assigned to this part is 4610015999022, 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 A440696.