Male Connector, Flare x O-Ring Boss Connection Type, 5/8 in Tube Size, 1EA This listing is for each. Technical Specification Item Male Connector Tube Fitting Material 316 Stainless Steel Fitting Connection Type Flare x O-Ring Boss Tube Size 5/8 in Flare Type 37 Degrees Flare Thread Size 3/4-16 Max. Pressure 6000 psi Temp. Range -165 Degrees to 1200 Degrees F Hex Size 1 in Standards J514 Published By SAE