Which NSTM covers piping systems?

The National Standard Technical Manual (NSTM) that covers piping systems is NSTM 505. This manual provides comprehensive guidelines and technical information related to the design, installation, testing, and maintenance of piping systems. It is essential for ensuring that piping is properly constructed and operates safely within the parameters set forth for various naval applications. Understanding and applying the guidance in NSTM 505 is crucial for personnel involved in the installation and upkeep of piping systems onboard vessels or submarines.