10-32 MNPT nylon push to connect straight tube fittings offer easy installation of air lines. Simply push tube into fitting, no gluing or special tools required. Push to connect fittings allow for Maximum air flow and faster connection than standard compression fittings. Reusable by simply pushing sleeve in and releasing tubing. Great for the garage or shop, push to connect fittings have a 1/4" OD and a maximum working pressure of 150 PSI.