Mercury thrust washer is pretty much all the same, top can be different with the nut lock made on it or a washer that fits over the splines on the bottom and has the nut lock on the top side. Other brands have several variables. What motor?
The world will not be destroyed by those who do evil, but by those who watch them without doing anything. Remember what He has done and remember that He is not done yet!-- GOD IS GOOD