Verification of a window Casing part

Hi my Name is Theresa

Please help with identifying this part , Please let me know if there is anything else you are going to need help resolve this I believe we may have found it your item number is 55-158-6

Theresa

If you need other pictures for identifications I have some more with measurements.

Good Morning Bob,

I just measured the dimensions and they are the same as in picture number 4 with the drawing . Ya !!!!

Thank you so much Bob...