Spring with Nylon Retainer

Plastic pieces that hold window in track broke

the plastic piece that clicks in place to hold the window up. They're cracked on multiple windows.

Looking for replacement latches for old Harvey window screens. This latch has a large metal ring which helps pull the screen in and then manipulate the latch. Thank you for any help.

I need to replace the pin in the storm window. How does it come apart and do you have the pin part

This older ? Storm window hardware the plastic piece slides in a track on the window frame and has spring loaded latch to lock slide in place in track don't know the brand and haven't seen in the hw stores Thanks