ISO DIS 9974-4

ISO DIS 9974-4 2005 Edition, March 18, 2005 CONNECTIONS FOR GENERAL USE AND FLUID POWER - PORTS AND STUD ENDS WITH ISO 261 THREADS WITH ELASTOMERIC OR METAL-TO-METAL SEALING - PART 4: DIMENSIONS, DESIGN, TEST METHODS AND REQUIREMENTS FOR EXTERNAL AND INTERNAL HEX PORT PLUGS