In the absence of written acceptance criteria, how should parts be evaluated?

When evaluating parts in the absence of written acceptance criteria, it's crucial to assess them according to the design of the part and its intended application. This approach ensures that the evaluation process aligns with the fundamental purpose of the item being assessed. Each component typically exists for a specific reason, with certain design parameters and performance expectations that govern how it should function.

By focusing on the design and intended application, the inspector can determine if the part meets the necessary requirements in practical terms. This might involve considering factors such as dimensions, materials, and any specific functions the part is supposed to fulfill within a larger system. This context-driven evaluation helps ensure that parts serve their intended purpose effectively, which is vital for maintaining overall functionality and safety in any system or assembly.

In contrast, using intuition can lead to subjective judgments that may not reflect the actual performance or quality of the part. Comparing with industry standards could be useful, but these standards often require clear written criteria to be effective. Measuring defects against the average may not offer a comprehensive view of whether a part is fit for its intended use, as average metrics do not necessarily take into account the unique design requirements of a specific application.