i have a customer looking for about a dozen of these screen latch parts. They think they are from the Mercury Brand..
hope the pictures help !
Emily from SWISCO responded:
May 8, 2023
Hello there!
Thank you for reaching out to us. The parts in your photos remind me of the 70-173 thumbscrew and 70-210 flush clip. Carefully review the specifications for each and see how they compare with yours.