standard published 12/11/2006 by American National Standards Institute
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.
