3/8" Hose 1/2" NPT Straight Push-to-Connect

3/8" Hose to 1/2" NPT Straight Push-to-Connect.All of our fittings are D.O.T. Approved to prevent Air LeaksSpecificationsD.O.T. FMVSS 571.106 Air Brake Performance Requirements; SAE J1131, J2494-1 & J2494-3 Air Brake Performance Requirements.Materials of Construction Body (straights), tube supports and grippers: Brass CA 360; Forged Elbows: Brass CA377; “O” Ring: NBR-269, alternate compounds on request.Temperature Range-40°F to 212°F (other ranges available upon request) Threads NPTF Standard. Recommended Tubing Polyethylene, Polyurethane 95A Durometer and Nylon AQ-DOT Series - J844 Air Brake Tubing Working Pressure The fitting is suitable for use up to the maximum working pressure of the recommended plastic tubing.