The O-rings OR83-4 from Dichtomatik are a single O-ring with an inner diameter of 83 mm and a width of 4 mm. Made from NBR (Perbunan) material, they have a weight of only 0.004 kg. The temperature range of these O-rings is between -30 and +100 °C, making them versatile. Ideal for applications where a reliable seal is required.