ASME B89.1.5-1998 pdf download MEASUREMENT OF PLAIN EXTERNAL DIAMETERS FOR USE AS MASTER DIscS OR CYLINDRICAL PLUG GAGES 4REQUIREMENTs OF MASTER DIscs AND cYLINDRICAL PLUG GAGES 4.1 General The capability of measuring equipment and tech-niques to achieve a high order of precision in thecalibration of master discs or cylindrical plug gages isiimited by relevant features and conditions of the gageto...