Capitol Window Panel Corner, 3/16" x 3/16"

I am trying to find screen corner keys to replace these. They are about 1" 5/8 in length and about 3/8" wide

Need these parts to repair storm glass window frame

My dry rotted plastic window screen corners broke and I need to replace them. I’m unsure of the size I’ll require. Also, the spring retainers are also defective. Can you assist me?

The outside corner keys on my window screen frame have broken. I have very little information on the window manufacturer except for a bar code on the screen itself. I have attached photos of the barcode along with multiple views of the existing key. I would like to purchase replacement keys if yo ... (cont.)

Here's info on screens I need parts for. One frame is 31 1/2 w by 22 1/2 h and one is 31 1/2 w by 18 3/4 h. The OD is 3/8 and the ID is 3/16. I need screen corner inserts for three frames and latches for two frames.