Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 6422 found under Shield Spark Plug by Hamilton Sundstrand Corporation. The National Stock Number assigned to this part is 2920006186635, 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 6422.