Use of 'Collect Non-nettable item Subinventories' in Supply Network Model, Organizations tab?

Summary:

In Supply Network Model there is an attribute called 'Collect Non-nettable item Subinventories'. What is this used for and is it possible to see nonnettable quantity in a Supply Plan? Which measures holds that information?

Content (required):

We have are requirement to see nonnettable stock alongside nettable stock - for information only.

Is this supported somehow? Is it related to this attributes somehow?

Version (include the version you are using, if applicable):

22A

Code Snippet (add any code snippets that support your topic, if applicable):