Acorn window replacement parts

A from USA says:
September 18, 2020
I have 3 long vertical Acorn windows that crank out from the bottom. When I went to open them yesterday the top part of the window detached and had to be pushed back in from the outside. The black plastic part is cracked so there is nothing to hold the top of the window in place. Do you have the replacement part?
Please let me know ASAP as we are closing on our house today and this needs to be resolved with the buyer. Many thanks!!!
Rhona Friedman
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Bob from SWISCO responded:
September 23, 2020

Hey Rhona. Start by reviewing our 36-022HD. Look over the dimensions and see if you think this hinge set matches what you need. 
12" Four Bar Hinge, 45 Degree, Heavy Duty
12" Four Bar Hinge, 45 Degree, Heavy Duty
36-022HD
$23.91
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