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Measurement Uncertainty and Consumer Risk

2020-02-03
CURRENT
AIR6553
This document addresses measurement uncertainty and consumer risk as they relate to AS8879 thread inspection. It describes the rationale, theory and methodology used to generate the technical content of the AS5870. The document describes how to calculate measurement consumer risk. It documents all of the calculation methods which industry employs today to calculate what is commonly called measurement uncertainty (Appendices A, B, C, D, E and F). These, in turn, are used to calculate measurement uncertainty ratios which are required inputs to calculate measurement consumer risk. Users of this document can apply the information described herein for the evaluation of the capability of their measurements based on the measurement consumer risk. It involves the analysis of the measurement (product) distribution and biases of both the product and measurement system distributions. It protects the consumer from the worst case distribution results.
Standard

Center Hole, Metric

2019-02-18
CURRENT
MA1759B
This SAE Metric Aerospace Standard (MA) specifies the drawing requirements for center holes when center holes are required on the finished part.
Standard

Center Hole, Metric

2012-11-08
HISTORICAL
MA1759A
This SAE Metric Aerospace Standard (MA) specifies the drawing requirements for center holes when center holes are required on the finished part.
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