This standard covers basic guidance and methods for cleaning, descaling, passivating, protecting, and preserving nonferrous and ferrous metal and alloyed pipe, tubing, and fittings prior to installation. It also covers the performance of hydrostatic tests and flushing of installed systems that are used in hydraulic power transmission applications. This standard ensures appropriate and effective procedures are used to support sensitive military piping system applications, while continuing to utilize industry best practices.