Successful manufacturing has many dimensions. For manufacturing readiness assessments, threads have been defined to organize these dimensions into manufacturing risk areas.2 Parts management contributes to these threads as follows:
• Industrial base thread. Parts management establishes the basis for maintaining a parts base- line and includes a rational approach to qualify suppliers, change suppliers, and/or switch parts. It also evaluates whether there is a reasonable path to qualification of both develop- ment articles for design verification testing and qualification articles. Finally, parts man- agement determines the extent to which there is a reliance on commercial products and the potential methods for dealing with future parts design changes that are driven by the commercial marketplace.
• Design thread. Parts management evaluates the effects of part selection on all applications, considering all requirements. It ensures key design considerations are given sufficient emphasis and that processes are in place to avoid prohibited design practices, e.g., the use of certain hazardous materials.
• Cost and Junding thread. Parts management ensures that standardization is taken into account to minimize costs (e.g., maximize the use of parts already being used elsewhere). It also identifies the funding needed to perform the activities necessary to determine that the part will work as intended.
• Materials thread. Parts management ensures that the material selection process accounts for special handling and corrosion prevention. It assesses selected parts for availability, evalu- ates them to mitigate future DMSMS effects, and establishes processes to minimize the
use of prohibited components, materials, and processes. Furthermore, parts management ensures qualification considerations have been properly addressed by identifying and per- forming tests and analyses.
• Process capability and control thread. Parts management ensures that there is an understanding of the consistency of the design to manufacturing processes and that the processes are suf- ficient to satisfy the system requirements. It also ensures that special design considerations (for example, the performance of lead-free products) are sufficient for system require- ments.
• Quality management thread. Parts management ensures quality requirements have been tai- lored for different commodities. It recommends part failure analysis approaches, determi- nation of the root cause of failures, identification of failure effects on performance, and corrective action accountability. Finally, parts management ensures the establishment of proper controls to avoid the introduction of counterfeit parts. Military systems are increasingly vulnerable to counterfeit parts as a result of schedule and obsolescence issues. Counterfeit parts typically enter the supply chain from sources other than the original component manufacturer's (OCM's) authorized distribution networks.
• ManuJacturing management thread. Parts management supports the manufacturing planning processes throughout the manufacturing life cycle. Standardization limits the introduction
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