Connections for Fluid Power and High Pressure Use—Ports, Stud Ends, and Plugs with ISO 261 Threads and O-Ring Sealing—Part 1: Ports with Recessed Conical Seat Requirements, Dimensions, Design, and Test Methods (Stabilized: Jun 2014)
This part of SAE J2337 specifies dimensions, design, and performance requirements for eight ports using a conical seal to insure leak proof performance with a design factor of 4 to 1.
