Casement hardware

A handy person from Massachusetts says:
December 20, 2021
Looking for replacement of split arm operator. Outer arm is 4 1/2" long and inner arm is about 3 1/4". Been scouring the internet for replacement. Shortest outer bar that I've seen is 4 5/8". Would that work?

Also looking for hinge replacement as well. 12 1/8" long 3/4" wide with 10" arm.Attached are pictures of both.
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Emily from SWISCO responded:
December 22, 2021

Hello!

Start by comparing your dimensions to our 39-187 and 39-188, along with the 36-048 hinge set to see if these match up to your original hardware. 
2-Bar Hinge Set, 10"
2-Bar Hinge Set, 10"
36-048
$17.47
Sash Dyad Crank, 5"
Sash Dyad Crank, 5"
39-187
$37.10
Sash Dyad Crank, 5"
Sash Dyad Crank, 5"
39-188
$37.10
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