Truth window crank replacement parts

A quick learner from Midlothian, Virginia says:
I need the window crank replacement parts. The Truth numbers are 30830, L30841, and 30843L.
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Jasmine from SWISCO responded:

Your operator looks like an older version of our 39-035 and 39-036. Compare the dimensions to your original casement operators to confirm that these will work for your window. The dimensions below are for the 39-035 but they would, of course, be the same for the opposite side.

Dimensions for 39-035
Dimensions for 39-035

I've also linked a few of the compatible operators and crank handles for your review.

A quick learner from Midlothian, Virginia says:
It appears 39-305 may work. Jasmine,thank you very much for your help.
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Jasmine from SWISCO responded:

You're very welcome! Please let us know if you had any follow up questions about this or any other project. We're always here to help.

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