critical item


potential threat to the schedule, cost, performance and quality of a project or programme that is controlled by a specific action plan in order to mitigate emanating risks and to prevent undesirable consequences


  • NOTE Examples of critical items are: - item not qualified or validated for the application in question (or has caused problems previously which remained unresolved). - item for which it is difficult to demonstrate design performance. - item highly sensitive to the conditions under which it is produced or used (e.g. contamination, radiation). - item having the potential to degrade the quality of the product significantly, and hence the ability of the end-product to accomplish defined mission objectives. - item for which major difficulties or uncertainties are expected in the procurement, manufacturing, assembly, inspection, test, handling, storage and transportation, that have the potential to lead to a major degradation in the quality of the product.
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