Help with proper equipment selection

A home owner from CT says:
June 1, 2021
Hello - I need a crank arm assembly including short and long arm, with R-side crank. The short arm has 30841L and 20310 imprinted. The long arm has no detailed markings. I also need the short arm mounting bracket (I don't need the long arm bracket). Finally I want to order a new matching operator cover and operator handle.

Can you help me know what parts to order?
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Emily from SWISCO responded:
June 4, 2021

Hi there!

Take a look at the two sets of operators that we've related for you. Look over our dimensions for these items and compare them to your current hardware to see which ones match up for what you need. 

If you need a handle and cover, please see our 39-107 and 39-114L. For a bracket, check out our 39-509 and 39-510.
EntryGard Dual Arm Operator
EntryGard Dual Arm Operator
39-031
$29.70
EntryGard Dual Arm Operator
EntryGard Dual Arm Operator
39-032
$29.70
Caradco Window Crank, 9-1/2"
Caradco Window Crank, 9-1/2"
39-155
$29.85
Caradco Window Crank, 9-1/2"
Caradco Window Crank, 9-1/2"
39-156
$29.85
Clip-Stud Bracket, Right Hand
Clip-Stud Bracket, Right Hand
39-509
$3.70
Clip-Stud Bracket, Left Hand
Clip-Stud Bracket, Left Hand
39-510
$3.70
Truth Hardware Operator Cover
Truth Hardware Operator Cover
39-107
$3.30
Crank Handle, 11/32"
Crank Handle, 11/32"
39-114L
$4.42
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