2006年版的ANSI_ANSLG C81。发布63的目的是，首先，参考所有作为美国国家标准协会（ANSI）标准采用的IEC量规标准表。其次，第二部分提供了少量仪表的标准表，这些仪表主要在北美使用，与IEC不一致。第三部分包含美国对IEC标准表的任何偏差，这些标准表已被采纳为国家认可的国际标准，并在IEC 60061-3中发布。第四部分包含关于第一和第三角度投影及相关标准的资料性附录。

The 2006 edition of ANSI_ANSLG C81.63 is issued to include, first, a reference to all IEC gauge standard sheets adopted as American National Standards Institute (ANSI) standards. Second, standard sheets for a small number of gauges, used mainly in North America that are not harmonized with IEC, are found in Part II. Part III contains any U.S. deviations to the IEC standard sheets, which have been adopted as Nationally Acknowledged International Standards that are published in IEC 60061-3. Part IV contains an informative annex on first versus third angle projection and related standards.