The 5.563 CPLG .280X12 ARM27 from Dresser Industries is a high-performance coupling designed for efficient fluid transfer in industrial applications. Measuring 5.563 inches, this coupling features a .280X12 thread size, ensuring compatibility with ARM27 fittings. Constructed from durable materials, it offers excellent resistance to high pressures and temperatures, making it suitable for demanding environments. The design promotes easy installation and secure connections, minimizing the risk of leaks. This coupling is ideal for use in HVAC and other fluid handling systems, providing reliable performance.