MW USI sash spring lock for old storm windows

Quick Learner from North Carolina
Looking for a part that could replace a few of these which are no longer working, plus how to replace? Thanks
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Lauren
Lauren from SWISCO
SWISCO
Expert

Hello, thank you for posting,

Please start by reviewing the style and dimensions of the 91-191 corner latch set to see how they compare. We do not have specific instructions on this latch, but please review the video on the related on the page for tips. Let us know if you have any additional questions! 

Dimensions for 91-191
Dimensions for 91-191

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