Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number MC-144 found under Cell Salinity Detec by Mcnab Incorporated. The National Stock Number assigned to this part is 4620014649294, 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 MC-144.