Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number GECFB-10000-25 found under Calibration Kit Weighing Scale E by General Electrodynamics Corporation. The National Stock Number assigned to this part is 6670014107534, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like GECFB-10000-25.