MSS SP-86-2009

This Standard Practice provides recommendedrules and guidelines to be followed by MSSTechnical Committees while developing orrevising Standard Practices or other documents inwhich there is a need to use both inch-pound andmetric units. Where both units are included, thestandards developing group determines the orderin which they are presented.

This product replaces:MSS SP-86-2002 - Guidelines for Metric Data in Standards for Valves, Flanges, Fittings and Actuators