MALE OTC HYDRAULIC FITTING 3/8-18NPTFEMALE THREAD ON FITTING END OTC 3/8HALF COUPLER 10000 PSI SUIT RAMS & PUMPSThis male hydraulic fitting features a 3/8-18 NPT thread and is designed for use at pressures up to 10,000 PSI. The female thread on the fitting end allows for connection to compatible hoses or couplers.