Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number N599 B found under Cell Salinity Detector by Salt Separation Services Ltd. The National Stock Number assigned to this part is 4620016452974, 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 N599 B.