Replacement Safety Lock / Catch

A quick learner from Oley, PA says:
40 on one side, P on the other and D on notched catch.
User submitted image of their window hardware.
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Tom from SWISCO responded:
Your part looks similar to our 26-122 vent lock. Compare your measurements and dimensions to ours and let us know if this could work for you.
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How to Replace a Window Vent Latch
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