GASKET; TUBE NOMINAL DIAMETER: 1/2 IN; TYPE: METALLIC; INTERNAL DIAMETER : 0.56 IN; OUTSIDE DIAMETER: 1.88 IN; THICKNESS: 0.117 IN; MAXIMUM OPERA TING PRESSURE: 150 PSI; TEMPERATURE RANGE: - 50 A 110°C; MATERIAL: 316L STAINLESS STEEL; FLUIDS: 19% AQUOUS AMMONIA; 1/2" SER:150 FLEX GASKET