Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number H655-1509 F140 found under Cell Salinity Detec by Electric Boat Corporation. The National Stock Number assigned to this part is 4620015585826, 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 H655-1509 F140.