Can anyone tell me what this is called...

[Chipper]

1/4" connection, tubing is 4"

[Mr. Whiskers]

Looks like a Compression fitting

[Chipper]

correct, but when I google compression fitting and can't find anything with tube attached.

[barnett77859]

the fitting comes without the tubing

[Worksalot]

Maybe the ferrel seats in the nut. Or is that the type that uses a rubber tapered part over the tube inside the nut?

[Antlers86]

correct, but when I google compression fitting and can't find anything with tube attached.

Because it's already compressed to it. Someone just cut the line and that's the scrap end.

[diamond10x]

Because it's already compressed to it. Someone just cut the line and that's the scrap end.

X2. slide the fitting off the other end that isn’t belled of th scrap copper and you have you a compression fitting.

[Quackerbox]

Because it's already compressed to it. Someone just cut the line and that's the scrap end.

the antler chandelier guy is correct

[Chipper]

Son of a gun, learn something new everyday, thanks!

[ladrones]

Install a ball valve and air line coupling on it to hook into your air compressor hose. Then you can use it to blow out your floorboard and vents in your pickup. And all kinds of other projects that require directed compressed air.


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[mrc]

Install a ball valve and air line coupling on it to hook into your air compressor hose. Then you can use it to blow out your floorboard and vents in your pickup. And all kinds of other projects that require directed compressed air.


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Gotta take a hammer and smash the end down a little first, then you can get the whole floorboard in one pass.

[Bowtech38]

Sometimes called a wedding band fitting also

[Uncle Saggy]

Sometimes called a wedding band fitting also

35 years in the industry and never heard that

[Bowtech38]

The little brass ring inside looks like a ring, maybe a army thing we called them that

[Uncle Saggy]

I know.
There’s a bunch of nicknames for parts