BVA Hydraulics presents the Back-Up Ring with an outer diameter of .695 inches and an inner diameter of 1/2 inch, designed for sealing applications in hydraulic systems. This ring is crafted from durable materials to enhance sealing performance and prevent extrusion in high-pressure environments. Its precise dimensions ensure a tight fit, making it essential for maintaining the integrity of hydraulic connections. Compliant with industry standards, this back-up ring is ideal for professionals seeking reliable hydraulic solutions.