Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number MSW30HR-2540 found under Reverse Osmosis Module by Filmtec Corporation. The National Stock Number assigned to this part is 4620012858123, and the Federal Supply Class is 4620 Water Distillation Equipment Marine And Industrial. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like MSW30HR-2540.