Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number RV12YC found under Spark Plug by Champion Aviation Inc. The National Stock Number assigned to this part is 2920002337693, 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 RV12YC.