M800404: Back-Up Ring

Essential back-up ring designed to prevent extrusion in hydraulic systems. Features an inner diameter of 5 mm (0.2 in) and an outer diameter of 8.07 mm (5/16 in) for precise fit. Thickness of 1.25 mm (0.05 in) ensures durability and reliable performance. Made from high quality material for enhanced longevity and resilience.