FasParts.com carries a huge variety of metric and imperial outer diameter tube to tube push to connect fittings.
FASPARTS FITTINGS ARE SUITABLE FOR USE IN POSITIVE PRESSURE AND VACUUM USE, THIS IS A UNIQUE ADVANTAGE TO OUR FITTINGS.
Our FPPP Plugs series are available in Imperial tube OD and Metric tube OD, and are designed to plug the push to connect/composite fitting openings .
They are perfect for setting up machines in North America, South America, Europe, and Asia.
These types of fittings are commonly known as plugs, tube stops, composite fitting plugs.