PT Coupling Aluminum Reducer Cam and Groove Hose Fitting, A-Reducer, 1-1/2" Adapter x 2" NPT Female Adapts NPT thread to male cam and groove-style fitting Female NPT threaded connection Aluminum body for corrosion and abrasion resistance and light weight For use with water, hydraulic oil, coolants, gasoline, and petroleum products Complies with Commercial Item Description A-A-59326D for quick disconnect fittings