I got a new to me prop. It has a pressed in hub. The aluminum prop I took off had the flo torq. I put the brass washer in front of the new stainless prop. I did not run the nut all the way down yet. What do I need to go where the nut is to hold it. The piec with tabs or do I need more than that by looking at this pic? It's a 2015 Merc 4 stroke. 115.