I need help identifying parts for my window

A home owner from VA, 23322 says:
July 24, 2021

Hello,

I recently ordered 2 of item 39-317, and 2 of 39-318 along with other parts. The 39-317, 39-318 were not the exact copy of the window part at my home. The holes do not match up and the arm on the new piece seems to be shorter.The window information is NFRC 100/200, series: twvca, code: PAT(VA), MST 2040.

The device on the left is the one I am trying to replace. The one on the right is the ordered that did not match

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Tom from SWISCO responded:
July 29, 2021

I think you may have wanted our 39-315 and 39-316 instead. Look these over and let me know if you agree. note the position of the link arm in relation to the gear arm, as well as its general size.

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A home owner from VA, 23322 says:
July 30, 2021
I will take a look at it. Of note the part that is currently broken has a different alignment of the wholes to secure to the frame. That piece also extends farther than the 39-317 and 39-318.
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Tom from SWISCO responded:
July 30, 2021

I wouldn't worry about the holes in the sill plate. Ours are specifically made with more holes than you'll ever need to cover multiple previous configurations.

The fact that it extends further is a little worrying, though. Would it be possible to see it flipped around from the other side?
A home owner from VA, 23322 says:
August 3, 2021
Here are some more photos
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Dave Sr. from SWISCO responded:
August 4, 2021

I took one of our 39-315 operators out of stock to take some dimensions. I measured both arms like you show in the photo and it comes out at 7-1/2" and the Link arm is 5". As for the installation hole locations you will need to make new holes in your window sill. I don't think the size of the base matters other than that detail. Yours must be an older version of our more modern part. Also important to note that the 39-315 does not come with the Detach clip 39-105, which is sold separately. Otherwise I do think this is your best bet.
Truth Split-Arm Operator
Truth Split-Arm Operator
39-317
$35.70
Truth Split-Arm Operator
Truth Split-Arm Operator
39-318
$35.70
Truth Dyad Operator
Truth Dyad Operator
39-315
$24.40
Truth Dyad Operator
Truth Dyad Operator
39-316
$24.40
Stainless Steel Detach Clip
Stainless Steel Detach Clip
39-105
$0.84
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