Annotation of standard text SAE EIA554_2 :
This standard is intended to provide a uniform method of determining proportion nonconforming in finished components and to provide a standardized definition of the quality index referred to as PPM. The method used here is primarily directed at components whose production or procured volume is large enough, during some predefined sampling period, to give statistically meaningful information.
SUBJECT TAXONOMY: Manufacturing processes, Parts, Quality assurance
SUBFILE: Aerospace
TYPE OF DOCUMENT: Aerospace Standard
Stabilized: May 2016 