Crystal window casement handle slipping

A quick learner from Baltimore says:
January 19, 2023
The handle needs to be replaced as it is slipping
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Casey from SWISCO responded:
January 20, 2023

Hello,

Take a look and compare the specifications of the 39-138 and 39-139 operators to yours. If it's a match, see the 39-114L handle used with these assemblies, which install on an 11/32" diameter spline. Thanks for posting! 

Dimensions for 39-138
Dimensions for 39-138

Alternate view of the gear hole
Alternate view of the gear hole
Single Arm Crank Operator, 9-1/2"
Single Arm Crank Operator, 9-1/2"
39-138
$33.35
Single Arm Crank Operator, 9-1/2"
Single Arm Crank Operator, 9-1/2"
39-139
$33.35
Crank Handle, 11/32"
Crank Handle, 11/32"
39-114L
$4.42
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