Alenco window tilt latch

Hello, I am looking for a part for an Alenco window-both right and left latches. About 2 5/8" length, 11/16" wide, just under 1/2 inch deep. On the bottom of my part is the letter "R", with "28" just below. A "96" is also there, lower down. Please see attached photos. Do you have this available?

Thank you!
Sean