ACCUTEK® Hydraulic Union, Series: S3542 Series, Union Fitting, 1/4 in Connection Size 1, Female 37 deg JIC Flare Swivel Connection Type 1, 1/4 in Connection Size 2, Female 37 deg JIC Flare Swivel Connection Type 2, Female JIC Swivel|Female JIC Swivel Connection, Steel, Steel Material Construction, Automotive, Freshwater, Fuel, Hydraulic and Industrial Systems For Use With, 4000 psi Maximum Operating Pressure, -65 to 250 deg F Operating, Additional Information: 0.03 in Wall Thickness, Domestic, 4000 psi Maximum Working Pressure