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):19.8Wire Diameter (mm):2.4For Moving/FixedA JIS B 2401 Standard ProductWorking Temperature Range: 0 to 80CType 1 A Nitrile Rubber (NBR)