Fitting type/size for oxygen cannula

sarangan

sarangan

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Andrew, CFI-I
For a homebrew oxygen setup, I was looking for the specs of this connector. The inside diameter of the female connector is about 0.2" but it doesn't seem to match any of the standard barb fitting sizes. Does anyone know what this type of connector is called?

https://www.aircraftspruce.com/catalog/pspages/aeroxsys7.php
 
FORANE said:
They are all standard size. They fit the "Christmas tree" barbed hose fittings. I believe the barbed hose 1/4 inch would work. Those hoses are fairly malleable.
https://hyperbariccentral.com/product/oxygen-concentrator-christmas-tree-tubing-adaptor/
Click to expand...

Thanks for that link. I didn't know it was called "christmas tree adaptor". However, they don't say what the thread size is. It says hex nut, but no size is mentioned. This lack of specifications seems to be a common problem with these products.
 
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