spring loaded window latch

A home owner from Austin, TX says:

right and left side spring loaded metal latches that slide in to the window. I wish I could tell you the brand of the window but all remaining labels are too faded. There aren't any numbers or markings on the hardware.

The external finger that protrudes and holds the window up often breaks, so many of our window can no longer be raised and latched. We'd like to fix this!

pics are attached.

Thanks for any help :)

Holly 

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Casey from SWISCO responded:

Hello,

I would recommend starting by comparing the dimensions of the 91-001P latch set, which uses the 91-003M spring, to confirm if they match your original hardware. Thanks for posting! 

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