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Standard Content Barrel Nuts

I went looking for a 1/4-20 barrel nut in the standard content. Didn't think I'd find it but it would of been really cool if I did. Probably an involved project considering the number of configurations possible but thought I'd mention it.
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Comments
Are "Chicago screws" in the standard content? That's the called in my world. McMaster finds them under either name and has 3D models in various CAD formats.
Are they covered by a specific published standard?
Mcmaster calls them Binding Barrels https://www.mcmaster.com/products/nuts/binding-barrels~/
probably not a published standard. don't know. AI says they are covered under ISO (called sex bolts) and DIN