<?xml version="1.0" encoding="UTF-8"?><toc><section id="sec_foreword"><title>Foreword</title></section><section id="sec_intro"><title>Introduction</title></section><section id="sec_1"><label>1</label><title>Scope</title></section><section id="sec_2"><label>2</label><title>Normative references</title></section><section id="sec_3"><label>3</label><title>Terms and definitions</title></section><section id="sec_4"><label>4</label><title>Dimensions</title><section id="sec_4.1"><label>4.1</label><title>Plug dimensions</title></section><section id="sec_4.2"><label>4.2</label><title>Hex tolerances</title></section><section id="sec_4.3"><label>4.3</label><title>Screw threads</title></section></section><section id="sec_5"><label>5</label><title>Requirements</title><section id="sec_5.1"><label>5.1</label><title>Working pressures and working temperatures</title></section><section id="sec_5.2"><label>5.2</label><title>Performance</title></section></section><section id="sec_6"><label>6</label><title>O-rings</title></section><section id="sec_7"><label>7</label><title>Test methods</title></section><section id="sec_8"><label>8</label><title>Designation of port plugs</title></section><section id="sec_9"><label>9</label><title>Identification</title></section><section id="sec_10"><label>10</label><title>Manufacture</title><section id="sec_10.1"><label>10.1</label><title>Construction</title></section><section id="sec_10.2"><label>10.2</label><title>Workmanship</title></section><section id="sec_10.3"><label>10.3</label><title>Finish</title></section></section><section id="sec_11"><label>11</label><title>Procurement information</title></section><section id="sec_12"><label>12</label><title>Marking</title></section><section id="sec_13"><label>13</label><title>Identification statement (reference to this document)</title></section><section id="sec_bibl"><title>Bibliography</title></section></toc>