Andersen thumb latch loose

A quick learner from Collegeville Pa says:
Need replacement tiny black washer to tighten my door latch. I want to be sure I get the correct part
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Emily from SWISCO responded:

Thanks for reaching out to us! The 82-107 is designed for a different handle so we're not optimistic this will work for you. The best we can offer is the 82-241 Andersen Thumb Latch Lock. Take a look and see what you think. 

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