Bifold door pivot pin assembly

A contractor from Pittsburgh says:
September 23, 2020
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
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Casey from SWISCO responded:
September 28, 2020

Hello,

I don't recognize this bi-fold pin at first glance but I'm going to have one of our senior experts take a look and see if they could recommend a replacement for you. We'll reach out as soon as more information is available. Thank you!
A contractor from Pittsburgh says:
September 28, 2020
Thanks Casey. I will wait for a response.

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Tom from SWISCO responded:
September 29, 2020

Hello,

We appreciate your patience. It looks like we carried this bi-fold pin at one time but, unfortunately, it has since been discontinued and is no longer available. I'm sorry we can't replace the part you need but please let us know if you have any other questions. 
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