What block is this?

brian6pac said
why don't you post a link of the 30 sec search you did and found what it is for the rest of us.
Thanks

Here's a link to a PDF file.

https://www.google.com/url?sa=t&sou...FjABegQIAxAB&usg=AOvVaw2rgAhgitMrH_D9Lzd83Otj

And here's a screen shot with the 400 casting numbers,

Not the site I found, but same info.