Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 600040 found under Cartridge Water Dem by Admiral Filter Company Llc. The National Stock Number assigned to this part is 4610000055030, 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 600040.