Black plastic (maybe nylon) window sash cam

A handy person from Durham, North Carolina. says:
Hi, several of these window sash cams have broken in my windows, but I can't find an exact replacement. Without them I'm unable to engage the window balancer (I have single pane single hung windows) Any help?
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Casey from SWISCO responded:

Hi there, thanks for writing in. Take a look at our 18-142 and see if this might be what you're looking for!

A handy person from Durham, North Carolina. says:
Hi Julia, thanks for the response. It looks like this one has different dimensions and two machine screw holes instead of one. Ill keep looking. Thanks!
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Casey from SWISCO responded:

I've listed a few more on the side that you might consider. Let me know what you think!

18-041 : 5/8
5/8" Top Sash Guide, Acorn
18-041
$1.17
VIEW >
18-078 : Top Sash Guide
Top Sash Guide
18-078
$1.83
VIEW >
18-142 : 11/16
11/16" Top Sash Guide, Norandex
18-142
$3.84
VIEW >
18-200 : Top Sash Guide, MI
Top Sash Guide, MI
18-200
$2.45
VIEW >
How to Repair a Jammed Window
How to Repair a Jammed Window
VIDEO
WATCH >
How to Replace a Top Sash Guide [1080p]
How to Replace a Top Sash Guide [1080p]
VIDEO
WATCH >
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