The SEALFAST 2035411 is a 1 1/2 NST x 1 3/4 R/L female fitting, designed for reliable connections in firefighting and industrial applications. This fitting features a standard National Standard Thread (NST) for compatibility with various hoses and equipment. The robust construction ensures durability and resistance to wear, making it suitable for high-pressure environments. Ideal for use in fire protection systems, this fitting provides a secure and leak-free connection, ensuring safety and efficiency in emergency situations.