The standard categorizes requirements based on the complexity and safety relevance of the components: : Q1 : General requirements for military products .
You can obtain a copy of the DIN 2303 PDF document from: din 2303 pdf
For components with high safety requirements (e.g., pressure vessels, armor). Class BK2: For components with medium safety requirements. din 2303 pdf
Required for more complex materials or processes where special expertise is needed to maintain material integrity. 2. Component Classes (BK-Classes) din 2303 pdf