The PT Coupling 2900520 is a 2-inch cam and groove adapter with a Type E connection on one end and a 2-inch Hose Shank connection on the other. Constructed from green nylon, it measures 1.68 inches in inner diameter, 2.64 inches in outer diameter, and 5.75 inches in length, with an exposed length of 2.4 inches. With a maximum operating pressure of 100 psi, it is compatible with water, coolants, gasoline, and varnish, and is suited for agriculture, chemical, and oil and gas applications.