Bifold Door Pivot Pin Assembly

Hello, I need a bottom pin replacement for a bifold door. I have pulled this one out of another door. If you can give me a call to discuss, I would appreciate it. I was wondering if this was product 21-130 & 21-071You people are terrific! Thank you!

These are for metal bifold doors from the mid-70s your website has a to 21-078 but it's too long. do you have something in the 4 3/4-in range

I have a small linen closet with bi-fold door (Leigh Full-Vu door part #6956) which is most likely original to the building (from 1960's). The door won't glide along the track on the bottom of the floor - it gets stuck where the screw sticks up in the track. The top pins often come out of the top ... (cont.)

We have older metal doors throughout the house and they all seem to have the same problem. The bottom sticks on the track unless you hold the door up while closing. I read that the pin is adjustable but can't see how. See photos. It is the bottom pivot pin

I am looking for a two pivot guide rods for my bi-fold closet door. The door was made by National Bifold doors. You can see in the images the length of both of them. The one above the measuring tape is the top guide rod. The one below the measuring tape is the bottom guide rod. Then there are two s ... (cont.)