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When installed alongside an O-ring, it bridges the extrusion gap and extends seal life — making it an essential component in cylinders, valves, and actuators operating at elevated pressures.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Buna-N (Nitrile Rubber) — excellent resistance to petroleum-based hydraulic fluids, oils, and fuels\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurometer:\u003c\/strong\u003e 90 Shore A — high hardness for superior extrusion resistance in high-pressure systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCross Section:\u003c\/strong\u003e 3\/16\" — compatible with standard AS568 O-ring grooves of the same cross section\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature Range:\u003c\/strong\u003e -40°F to +250°F (-40°C to +121°C)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePressure Rating:\u003c\/strong\u003e Suitable for high-pressure hydraulic applications where standard O-rings require anti-extrusion support\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHydraulic cylinders and actuators\u003c\/li\u003e\n\u003cli\u003ePneumatic systems\u003c\/li\u003e\n\u003cli\u003eValves and manifolds\u003c\/li\u003e\n\u003cli\u003eHigh-pressure fluid power equipment\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eCompatible with petroleum-based hydraulic fluids, mineral oils, water-glycol fluids, and most common industrial lubricants. 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