Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 42H50 found under Magneto Ignition by L Tec Welding And Cutting Systems. The National Stock Number assigned to this part is 2920001900135, 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 42H50.