Thread: Trying to ID pneumatic part used on static prop

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This part is supposed to be a pneumatic part, but the maker cannot recall what was used. Does anyone recognize it? Back end of a pneumatic cylinder maybe?

Many Thanks!

Just a guess, It looks like a pressure switch to me.

air pressure goes in on the nipple at a certian amount of pressure it will close the contacts on the circular connector.

But I am just guessing.