Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number S9138 found under Indicator Shaft Pos by B C Ames Incorporated. The National Stock Number assigned to this part is 2825010300373, and the Federal Supply Class is 2825 Steam Turbines And Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like S9138.