Alternator Regulator P/n---HELP

Does any one on the site know the NAPA part number of the replacement regulator for 69 and older cars. This is the one that looks like the points type but is electronic. They are also real light weight compared to the points type.

I know Don at F B O has them, but if I remember correctly we had thraeds on this topic on the ole board.

I was hoping to pick one up today at NAPA.

Thanks in advance
Dave C.
:) :)