Searching for 6d604 hardware parts.

A quick learner says:
October 23, 2019
I need 2 replacement arms. They seem to be dual arm for casement windows. They are stamped Truth 3/850 on one arm and 6d604 with an A on the other. Also need replacement sash locks for 2 windows. They are stamped Truth 45/89 w an A also. Please help.
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Dave Sr. from SWISCO responded:
October 25, 2019

Let's kick this off with your lock and end with your operator. Take a look and see if our 38-144 lock will do the trick. If so, then you will also need to replace your casement keepers with both our 38-276 and 38-277. For the operator, see our 39-315 along with our 39-546 bracket. Review all the parts mentioned and see if these would work. 
Primary Casement Sash Lock, Non-Handed
Primary Casement Sash Lock, Non-Handed
38-144
$10.84
Handleless Secondary Casement Sash Lock
Handleless Secondary Casement Sash Lock
38-160
$10.84
Casement Sash Keeper
Casement Sash Keeper
38-276
$2.37
Casement Sash Keeper
Casement Sash Keeper
38-277
$2.37
Truth Dyad Operator
Truth Dyad Operator
39-315
$24.40
Truth Snap-Stud Bracket
Truth Snap-Stud Bracket
39-546
$3.22
Anatomy of a casement window
Anatomy of a casement window
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How to Replace a Discontinued GU Operator
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How to identify casement and awning operators
How to identify casement and awning operators
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