Need pin (?) to attach operator arm to window

A quick learner from Oakland, CA says:
August 23, 2020
Howdy! My casement window operator arm is no longer attached to the window. It looks like I'm missing the pin that goes through the operator arm into the window. Can you advise?

Many thanks!

Stee
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Bob from SWISCO responded:
August 26, 2020

This operator looks a bit like our 39-316, although yours has an offset in the link arm that this replacement lacks. The 39-316 uses a detach clip like the 39-105, as well as the 39-545 and 39-546 Stud Brackets. See if these match what you have. 
Stainless Steel Detach Clip
Stainless Steel Detach Clip
39-105
$0.84
Truth Hardware Entrygard Dyad Window Operator
Truth Hardware Entrygard Dyad Window Operator
39-036
$32.30
Truth Hardware Entrygard Dyad Window Operator
Truth Hardware Entrygard Dyad Window Operator
39-035
$32.30
Truth Hardware Operator Cover
Truth Hardware Operator Cover
39-107
$3.30
Truth Folding Crank Handle, 11/32"
Truth Folding Crank Handle, 11/32"
39-205
$11.70
Crank Handle, 11/32"
Crank Handle, 11/32"
39-114L
$4.42
Stud Bracket, Neutral
Stud Bracket, Neutral
39-508
$3.47
2-Bar Hinge Set, 10"
2-Bar Hinge Set, 10"
36-048
$17.47
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