Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 128C508FYG-1 found under Parts Kit Blade Rot by General Electric Inc. The National Stock Number assigned to this part is 1615013897505, and the Federal Supply Class is 1615 Helicopter Rotor Blades Drive Mechanisms And Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 128C508FYG-1.