. . 10x Metal-rubber washer with guide G3/8"Elements of this type are used to improve the tightness of pipe connections. They can work in very harsh environmental conditions, such as high pressure and temperature. The metal-rubber washer is made of a galvanized steel ring and a rubber ring. The diameter of the washer is 3/8" while the maximum pressure at which it can operate is 310 bar.BASIC DATAMaterial: steel, rubberDiameter: 3/8 ″Maximum working pressure: 310 barDimensions (mm)ID (±0.10): 17.28OD (+0.13): 23.80H (±0.10): 2.00F (±0.20): 18.64. . .