Historical
ASME B89.1.6-2002
Measurement of Qualified Plain Internal Diameters for Use as Master Rings and Ring Gages
This standard is intended to establish uniform practices for the measurement of master rings or ring gages using horizontal methods. The standard includes requirements for geometric qualities of master rings or ring gages, the important characteristics of the comparison equipment, environmental conditions, and the means to assure that measurements are made with an acceptable level of accuracy.
Content Provider
American Society of Mechanical Engineers [asme]