SAE J518-3 standard specifies 2-bolt Flange clamp dimensions, it is Hydraulic Flange Clamps, 2-Screw Flange Connection to be used with SAE J518-1 (Code 61) Connections where Only Low Pressure is Required.

SAE J518-3 standard specifies 2-bolt Flange clamp dimensions, it is Hydraulic Flange Clamps, 2-Screw Flange Connection to be used with SAE J518-1 (Code 61) Connections where Only Low Pressure is Required.
