Propeller decipher

[Arctic Hawk]

I have, I believe, the original fixed prop off my 1978 Yamaha 33. Some of the stamped numbers make sense, like D380 for the diameter in mm and P250 for the pitch. The one I need help on is what looks like F8-529E. See attached photo.
Any ideas what it means?
Thanks!

 

[Dave Groshong]

Metric, so I think 15 diameter x pitch 10

 

[Arctic Hawk]

I would agree. Any idea on the last line, just above « made in Japan »?

 

[JamesG161]

I had to replace my 14 year old prop.
There has been much advancement is propellor design.

If you are looking for a new propellor, you must match it to your engine transmission.
@Dave Groshong and their team can help find the right propellor for you.

Jim....

 

[JamesG161]

I bought the new one from this site and it was re-pitched for my transmission.
Jim...

 

[fstbttms]

The one I need help on is what looks like F8-529E. See attached photo.
Any ideas what it means?

It is likely a batch number or other information relevant to the manufacturer. In any event, it is not information you need to source a replacement, if that's where you are going with this.