Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 14039 found under Conductivity Cell Water by Barnstead Thermolyne Corporation. The National Stock Number assigned to this part is 6150010136064, and the Federal Supply Class is 6150 Miscellaneous Electric Power And Distribution Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 14039.