Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 115538 found under Magneto Ignition by Wico Prestolite Co The Div Of Eltra. The National Stock Number assigned to this part is 2920009208244, and the Federal Supply Class is 2920 Engine Electrical System Components Nonaircraft. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 115538.