The 1 1/2" NST x 1 15/16" P/L Male fitting by SEALFAST is designed for reliable connections in fire protection and water transfer applications. Constructed from high-quality materials, this fitting ensures durability and resistance to wear. Its National Standard Thread (NST) design allows for easy compatibility with standard hoses and nozzles. This fitting is ideal for use in firefighting equipment, irrigation systems, and other fluid transfer applications, meeting industry standards for safety and performance.