Bifold Door Kit

A quick learner from Fort Pierce, Florida says:
I recently purchased a house that was built in 1974 and it has the old metal bifold closet doors that 36? and on 72 inch guide top and bottom i need bifold kit for pivot top and bottom
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Paul from SWISCO responded:

Thanks for posting. Were there no bi-fold door pins on this door when you bought the house? That will make identifying what you need difficult. Is there another, identical bi-fold door in the house that still has its hardware that we can use as a reference? 

A quick learner from Fort Pierce, Florida says:
Yes this a smaller door that 24?
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Paul from SWISCO responded:

Looks like you have the old style National bi-fold doors. I'm afraid that we no longer have the complete spring loaded guide pins. You will need to put them together. They consist of the following parts: the 21-026B pin, the 21-113 cap, 21-252 spring and 21-155 palnut. 

The top spring loaded pivot pin would be our 21-026B with a 21-155 palnut pushed on about 3/8" down, then you would place a 21-252 spring below it and put the pin through the door at the top and lock it on with another palnut, our 21-155. The bottom threaded pin would be our 21-046.

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