ASME B89.1.6 pdf download MEASUREMENT OF PLAINIM TERNAL DIAMETERSFOR USE AS MASTERRINGS UR RING GAGES REQUIREMENTS OF MASTER RINGS AND RING GAGES 4.1 General The capability of measuring equipment and tech-niques to achieve a high order of precision in the calibra-tion of master rings or ring gage is limited by relevantfeatures and conditions of the gage to be measured.These are...