Sealing ring SKINDICHT® O-RING M20 (17X2) NBR, sealing ring, M 20, inner diameter: 17mm, outer diameter: 21mm, acrylonitrile butadiene rubber, NBR, black, areas of application: For use with metric SKINTOP®/SKINDICHT® cable glands, For sealing metric connection threads, Benefits: Protection against the ingress of foreign bodies and liquids, Enables a higher protection class (IP) for a cable gland due to the secure seal to the housing