Thuth ( or truth) label on the window crank- 30866 number.
Also truth- 40887 and 3120B on the swing assembly
Looking for replacements due to rusting out.
Casey from SWISCO responded:
September 26, 2022
Hello,
Take a look and compare the specifications of the 39-187 and 39-188 casement operators, as well as the 36-048 hinge set, to your original hardware. Thanks for posting!