The OR 37.69 3.53 70 EPDM O-Ring by Freudenberg-NOK is designed for effective sealing in a variety of applications. With a diameter of 37.69 mm and a cross-section of 3.53 mm, this O-ring is suitable for hydraulic and pneumatic systems. Constructed from EPDM material, it provides excellent resistance to heat, ozone, and chemicals, ensuring durability and performance. The 70 durometer rating indicates its hardness, making it ideal for high-pressure applications. This O-ring complies with industry standards, ensuring reliability and efficiency in your operations.