MIL-STD-11991B, General Standard for Parts, Materials, and Processes, October 2023

This standard establishes the requirements for the management of parts, materials, and processes (PM&P) for use during the development, production, and sustainment of military systems. These requirements directly apply to the design, manufacture, and support of military systems. This standard also provides criteria to evaluate the suitability of commercial off-the-shelf (COTS) items for incorporation into military systems.