OK I think I found one. Will I just need the prop and a nut? It seem like I'll need more. From this diagram: https://www.marineengine.com/parts/mercury-outboard-parts/8/0a197112-thru-0d280999-usa/gear-hsg-prop-shaft-design-i
it shows a thrusthub, spacer, prop, spacer, nut. Anyone dealt with...