Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 10-04-420-052 found under Switch Safety Neutral Start by Warner Gear International Division. The National Stock Number assigned to this part is 2920012799048, 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 10-04-420-052.