Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 6MC-121-M23854 found under Cell Salinity Detec by Cepeda Associates Inc. The National Stock Number assigned to this part is 4620014138012, 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 6MC-121-M23854.