The Freudenberg-NOK Industrial Services Dichtomatik O-Ring features a 1.600" inner diameter and a 0.210" cross-section, crafted from 90 durometer NBR (Nitrile Butadiene Rubber). This O-Ring is engineered for superior sealing performance in various applications, particularly where resistance to oils and chemicals is crucial. Its robust construction ensures compliance with industry standards, providing a reliable solution for automotive and industrial systems. The NBR material offers excellent durability and longevity, making it a preferred choice for demanding sealing tasks.