Hi, Jeff. Could you provide us with some measurements of the hole that the latch needs to fit into? As well, do you have the latch from the opposite side of the window? If the other side of the window, or another identical window in the house, has an intact latch, can you remove the latch and show it to us? It's easier to match a latch to a latch than to match a latch to a slot.
measured the latch on the other side of the window it is 2 5/8 inches long. I was unable to remove it from the window.