727 auto trans ID help

Just picked up a 727 trans.Numbers are 2892031L2525 also 7060 and 2892754.Any idea what this came from?Thanks in advance.

http://mymopar.com/downloads/transguide.pdf
http://maxwedge.com/articles/10k.php

2892031 1968 ABC 383-4 Late model date code June 26 1968