The Freudenberg-NOK AS568-016 O-Ring is engineered with a 5/8" inner diameter, 3/4" outer diameter, and a thickness of 1/16". Constructed from high-quality NBR (BUNA) 70, this black O-Ring is UL compliant, ensuring it meets rigorous safety standards. It is suitable for a wide range of applications, including hydraulic and pneumatic systems, providing excellent sealing performance against oils and chemicals. This O-Ring is a reliable choice for professionals seeking durability and efficiency in their sealing solutions.