Non tilt window parts

A landlord from Buffalo, NY says:
I need the following parts:
Windows balancer
Type: spiral Blue tipped
Weight: 19.70
Length: 31 inch
Sliding latch
Attached are the image photos
Profile picture of Lauren
Lauren from SWISCO responded:

Hello, thank you for posting,

It appears you have either the Series 900 spiral balance with a 3/8" diameter tube or the Series 600 with a 5/8" diameter tube. Please confirm the measurement to choose the correct option.

The internal latch in your pictures is discontinued and no longer available, unfortunately. If you have the room, you might be better off substituting with a surface mount tilt latch, like our 26-228 and 26-229 or any of the others you think may work from our section here. These are different than the others in that they just screw on. We have a video tutorial that shows how we do this. Look it over and see what you think.

How to replace a tilt window spiral balance.
How to replace a tilt window spiral balance.
VIDEO
WATCH >
How to Identify a Replacement Spiral Balance
How to Identify a Replacement Spiral Balance
VIDEO
WATCH >
How to choose the proper spiral balance tip color
How to choose the proper spiral balance tip color
GUIDE
READ >
How to adjust a spiral balance on a tilt window
How to adjust a spiral balance on a tilt window
GUIDE
READ >
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