Black Snap Latch Pair

This window has a swivel retaining pin at the bottom, but the upper retaining guides are broken.Out of two identical windows, all 4 retainers/ guides are broken, so I have no idea what they look like intact. But without a retainer, the window just swivels on tje nottom retainer and falls out. So Im ... (cont.)

Some of my smaller aluminum windows 2' x 2' have this upper corner latch (see photo). The windows are 40 years old. Total height of the latch is 1 1/2", and width is just under an inch. The stem that slides into the side frame channel and attaches with a metal screw is exactly 1/2". If this latch is ... (cont.)

Looks like the 16" & 24" 900 series spiral balances , 3/8"pivot shoe replaces what I need except the latches. Here are 5 pics.

These attach with only one screw on side of window. No fastener on top. This latch is incomplete. Hope you can recognize it.

There is a left and right , the window is single hung And these are the track guides.