The BVA Hydraulics Back-Up Washer is designed to enhance the sealing performance of O-rings in hydraulic applications. Made from durable materials, this washer provides additional support and prevents extrusion under pressure. Its precise dimensions ensure a perfect fit with standard O-rings, making it an essential component for maintaining system integrity. This back-up washer is compatible with various hydraulic systems and meets industry standards for quality and reliability. Ideal for both professional and DIY use, it helps ensure leak-free operation in demanding environments.