A coupling assembly for providing a fluid connection comprising a female connector, a tube, a retainer and a cap. The female connector defines a bore. The bore extends axially inwardly into the connector from an entrance. An annular face is defined in the bore axially inwardly of the entrance. The tube is received within the bore. The tube has an enlarged upset. The retainer is disposed in the bore. The retainer has a member directly contacting the upset and extends to the annular face to retain the tube in the bore. The cap is slidably mounted on the tube and is attached to the female connector. The cap has a protrusion directly contacting the upset.