What is it? What is the age?

[bartshop62]

Found this metal detecting in the site of an us army air field grounds base. Practice training base. And a base too. Is it related to the base? Is this broken? It does not stick to the magnet in anyway. Is it brass or copper? What is this Whats the age on it? Lightened the pics for pepper j in the natural sunlight.
What is the white stuff in picture 5 View attachment 1903221

 

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[ticndig]

it's a barrel seat out of a faucet. age-- mid 1900s

 

[Fat]

Guessing the tip from a compressed air or water wand. Your pics are a little better, that does make a difference.

 

[Tony in SC]

Looks like acme threads. I would say that it was adjustable?

 

[bradyboy]

gas torch tip?
brady