Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 91042 found under Switch Safety Neutral Start by Cole Hersee Company. The National Stock Number assigned to this part is 2920011813763, 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 91042.