●O-ring made of synthetic rubber made for the purpose of sealing a wide variety of fluids such as air and gas as well as liquid of oil and water, utilizing the stress generated by moderately compressing to demonstrate the sealing function.●Seals in general industrial equipment.●Inner Diameter (mm):19.8●Wire Diameter (mm):2.4●For Moving/Fixed●A JIS B 2401 Standard Product●Working Temperature Range: 0 to 80●C●Type 1 A Nitrile Rubber (NBR)