Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SBC 4201 F found under Switch Engine Start by Prestolite Electric Inc. The National Stock Number assigned to this part is 2920012179493, 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 SBC 4201 F.