The most interesting aspect of this standard is how it fundamentally changes how we view a simple "Pass/Fail" result.
If the measurement result plus or minus the uncertainty overlaps a tolerance limit, neither conformity nor non-conformity can be proven. This is a neutral zone. INTERNATIONAL STANDARD ISO 14253 1.pdf
When you measure a part, you do not get a single true value. You get a measured value plus or minus an uncertainty range ( The most interesting aspect of this standard is