Spring-Loaded Top Pivot Pin

This spring doesn't have enough spring to keep it in place. Thank you so much for your help.

Hi I am looking for the top end mounting hardware for a bifold door length 79 inches Thanks

What top pivot is needed for the door that is missing one? The top pivot that is shown will not work because it does not recess enough.

Hi! I need the pivot pin that goes into the top of the folding door and into the sliding guide. What should I order from you?

The picture shows only one but there are two detents that ride in a guide rail on top while the bottom has two plastic wheels that roll in the bottom track. This is door off a German made shrunk and am needing two of these spring loaded top pivots. The width is about 1". Which parts should I order ... (cont.)