Window Crank for Awning Windows

A quick learner from High Springs, Florida says:
March 27, 2018

Good afternoon, I'm looking for two left hand crank assemblies to replace the type shown in the attached photos and drawing. I can send more if needed. Windows are circa 1979, all aluminum.

Window crank

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Dave Sr. from SWISCO responded:
April 2, 2018

Take a look at our 39-075 Lenahan operator. I believe this could be the pat you're looking for. Maybe just double check to confirm our dimensions match up to yours.
Lenahan Window Crank
Lenahan Window Crank
39-074
$20.45
Lenahan Window Crank
Lenahan Window Crank
39-075
$20.45
3/8" Shoulder Screw, 5/16"-18 Thread
3/8" Shoulder Screw, 5/16"-18 Thread
33-067
$1.10
Shoulder Bolt Bushing
Shoulder Bolt Bushing
33-207
$0.85
#10 x 1/2" Pan Head Phillips Screw
#10 x 1/2" Pan Head Phillips Screw
33-081
$0.18
How to Replace an Awning Window Operator [1080p]
How to Replace an Awning Window Operator [1080p]
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