Section 162.017-5 - Marking(a) Each valve shall be legibly marked with the style, type or other designation of the manufacturer, the size, pressure and vacuum setting and name or registered trademark of the manufacturer and Coast Guard approval number. The minimum wording for showing the approval number shall be "USCG/162.017/" or "USCG 162.017-fn-46-162-017-5-1".CGFR 68-82, 33 FR 18908, Dec. 18, 1968, as amended by USCG-2001-10224, 66 FR 48620, Sept. 21, 2001