Freudenberg-NOK's Dichtomatik OR 1.859" 70 EPDM E703B is a high-quality O-ring designed for reliable sealing in industrial applications. This O-ring measures 1.859 inches in diameter and 0.139 inches in thickness, constructed from resilient EPDM material that withstands extreme temperatures and environmental conditions. With a hardness rating of 70 Shore A, it ensures a tight seal in hydraulic and pneumatic systems. The E703B model adheres to industry standards, providing reliability and longevity in demanding applications. Its robust design minimizes the risk of leaks, enhancing operational efficiency.