The first three pictures are of screw in pieces that screw into the frame of the window and then the metal or aluminum stop snap onto them to hold the windows in place.
The last picture is of a vinyl stop I can
Paul from SWISCO responded:
April 21, 2016
Our 55-181 snap in glazing might work for your window. The black clip looks like it's meant to hold in the screen. What do you think?