The 1 1/2" NST x 1 15/16" Aluminum Male fitting from SEALFAST is engineered for secure connections in various plumbing and industrial applications. Made from lightweight yet durable aluminum, this fitting offers excellent resistance to corrosion and wear. The National Standard Thread (NST) ensures compatibility with standard hoses and fittings, making it a versatile choice for contractors and maintenance professionals. Ideal for high-pressure applications, this fitting meets industry standards for safety and reliability.