Looking to replace the whole thing, not just this part.
Numbers on the back 0P06-7884 or 7664 0P05-1518
There are some patent numbers too, but no manufacturer
Bob from SWISCO responded:
July 17, 2019
Thanks for writing in. See our 39-329. Go over the dimensions to confirm it's what you need. If you need a new handle, see our 39-114L. See the 39-553 or 39-554 for new Sash Brackets.