The 0.840 CPLG .156X3-1/2 A27 A/C coupling by Dresser Industries is engineered for efficient fluid transfer in air conditioning systems. This coupling features a compact design with a diameter of 0.840 inches and a length of 3.5 inches, making it ideal for tight spaces. Constructed from high-quality materials, it ensures durability and resistance to wear. This coupling is compatible with various A/C systems, providing a reliable connection that meets industry standards. Its lightweight design facilitates easy installation and maintenance.