Outlook Vinyl Tilt in windows are out of business - No Parts Available
Concealed Internal Tilt-In latch with wide surface mount thumb button

DIMENSIONS:
7/8 X 2 inch Finger Pull
7/16 x 2-7/16 inch internal latch.
Color: White

The best solution is to remove old latch and apply surface mount Tilt latch.
Use Part number 503028 or 503038

INSTALLATION NOTE:
1. Pry off top finger pull.
2. Depress the plastic inside hole.
3. Remove internal latch with spring.
4. Close window and position new latch
5. Screw on surface to mount latch in desired position.