Quote Originally Posted by flynaked View Post
I didn’t unscrew the bottom cap, but the top I could turn by hand so I did. Here are the markings on it.
IMHO this phenolic oiler seems correct. Thanks for showing it.
Here is more information about the phenolic oilers and the markings present in their parts....http://rg34.blogspot.com/p/phenolic-oilers.html

Antoni