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…PCDs which impose essential quality controls on the raw materials
and raw material manufacturing equipment and processes. Aircraft companies and certifying
agencies should assume that the material property data published in this report is not applicable
when the material is not procured to NMS 323/2. NMS 323/2 is a free, publicly available, nonproprietary …
https://www.wichita.edu/industry_and_defense/NIAR/Research/cytec-5215/T650-6k-5HS-3.pdf