The 90° LET-LOK® fitting with external NPT thread is a high-performance solution designed for secure and reliable connections with metric tubing in demanding industrial environments. Manufactured from durable AISI 316 stainless steel, it ensures exceptional resistance to corrosion, aggressive chemicals, and extreme operating conditions, making it an ideal choice for applications in the chemical, petrochemical, pharmaceutical, energy, nuclear, and process engineering sectors. Its robust construction guarantees long-lasting performance, while the precision-engineered design provides leak-tight sealing and consistent reliability even under high pressure. The permissible working pressure depends on the specific size and thread type, allowing for optimal adaptation to diverse system requirements. Engineered for efficiency and safety, this fitting supports seamless integration into complex installations, reducing downtime and maintenance costs while enhancing overall system performance.