need help ordering replacement windows from mid 1980s

A quick learner from east falmouth says:

May 11, 2018

Hello , I need a right and left operator.

It seems the end of the folding arm attaches to the bottom of the window.

I dont see how your parts attach to window. Is there a seperate two hole piece to attach to bottom of window?

THanks, Bob

Thumbnail of the uploaded file named window part.jpg

Paul from SWISCO responded:

May 16, 2018

Hey there, Bob. We'd like for you to take a look at both our 39-187 and 39-188 operators. See if both of these parts will work in place of your current ones.

A quick learner from Falmouth mass says:

May 16, 2018

HI paul,
Yes they will work.however I also need the bracket stud at the end of the operator arm in my picture.that part is failing on some of my windows.
Thanks

Dave Sr. from SWISCO responded:

May 21, 2018

I can't say for sure whether or not your exact bracket is available. Take a look at both our 39-560 and 39-561 for consideration. I can't guarantee that you can use these style brackets on the window. If so, you would be required to drill new holes. We can not stress enough how careful you must be when drilling holes in the sash because you don't want to damage the glass.

Truth Clip-Stud Bracket

39-560

$3.70

Truth Clip-Stud Bracket

39-561

$3.70

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