Pivot pin

A quick learner from Tunnel Hill, GA says:
I need a pivot pin replacement since the spring is missing. I have included a photo of the inoperable pin and one that is working. It appears the spring is missing as well as the retaining washer. I have also included a photo of all the markings on the door. Thanks.
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Bob from SWISCO responded:

Can you tell me the diameter of the pins, as well as the diameter of the caps atop the pins? From there we should be able to narrow this down. You can read more about bifold door replacement parts here

A quick learner from Tunnel Hill, GA says:
.5 cm on the tapered end and 1 cm on the other.
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Paul from SWISCO responded:

Your 5/16" bi-fold pin is no longer available, but we believe we have one with a cone spring, the 21-252 , that I believe should work as a replacement. Also see the nylon grommet, the 21-149 , and lock washer, our 21-156 . Please review.

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