This heavy-duty D-150 1 1/2" camlock marine fitting with female NPT threads is designed for serious marine waste management and fluid transfer needs. The Type V camlock adapter features a 1.5-inch female NPT connection that is perfect for marine holding tanks and various water transfer applications. Built specifically for handling boat black water, gray water, and sewage pumpout operations, this robust adapter ensures secure connections when and where you need them most. The durable construction includes a black polymer body with corrosion-resistant metal components, making it ideal for marine environments. The quick-connect camlock design allows for fast, tool-free coupling while maintaining a reliable seal during waste transfer operations. This essential marine plumbing component is compatible with standard pumpout stations and transfer systems commonly found at docks, marinas, and boatyards. The threaded female NPT connection provides a dependable seal when properly installed, while the camlock mechanism ensures worry-free operation during pumpout procedures. A must-have fitting for boat owners looking to maintain their vessel's waste management system with affordable, professional-grade equipment.