Brass Compression Fitting For Plastic, Copper, & Aluminum Tubing, 0.31 Inch Tube OD Union

It's designed for use with aluminum, copper, and plastic tubing. However, for plastic tubing, you'll need to use a 2030 insert, except with Eaton PT230. It's not recommended for steel tubing.

Working pressure on compression fittings like this one varies depending on tube size, so 2000 psi is the top end of the range, not a guaranteed rating across every size. Smaller tube diameters generally support higher pressures, while larger sizes tend to come in lower. The 4:1 safety factor is built into those ratings, which gives you a solid margin. Match the tube size to your system pressure requirements before assuming the max rating applies.

It's rated to handle working pressures up to 2000 psi, but keep in mind that's with a 4:1 safety factor and can depend on the size of the tubing you're using.

The key callout on 62X5 is 0.31 inch tube OD. That’s the tube outside diameter the union is made to connect, and it’s intended for plastic, copper, or aluminum tubing.