The SEALFAST 1 1/2 NST x 1 3/4 Aluminum Male fitting is designed for efficient fluid transfer in various applications. This fitting features a National Standard Thread (NST) design, ensuring compatibility with standard hoses and nozzles. Made from lightweight yet durable aluminum, it offers excellent resistance to corrosion and wear. The 1 3/4" size allows for optimal flow rates, making it suitable for both commercial and industrial use. This fitting meets relevant industry standards, ensuring reliability and safety in all applications.