The lock part on a crank window

A home owner from Westfield Massachusetts says:
September 10, 2019
I don't know what part this is. If I lock my crank window the lock comes up but doesn't stay in this part. It sounds locked but you can still crank it open.
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Bob from SWISCO responded:
September 16, 2019

Take a look at our 39-417 Tie Bar Guide. Look it over and see what you think.
Tie Bar Guide
Tie Bar Guide
39-417
$1.75
SWISCO 39-417 Tie Bar Guide
SWISCO 39-417 Tie Bar Guide
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Anatomy of a casement window
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Replacing tie bar guides
Replacing tie bar guides
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