{"product_id":"buna-n-70a-durometer-hydraulic-o-ring-2","title":"Buna-N 70A Durometer Hydraulic O-Ring 3\/16th Cross Section","description":"\u003ch2\u003eBuna-N 70A Durometer Hydraulic O-Ring\u003c\/h2\u003e\u003cp\u003eEngineered for reliable sealing in demanding hydraulic and pneumatic systems, our Buna-N (Nitrile) O-Rings deliver consistent performance across a wide range of industrial applications. With a 70A Shore durometer hardness, these O-rings strike the ideal balance between flexibility and compression resistance — providing a tight, leak-free seal under pressure.\u003c\/p\u003e\u003ch3\u003eMaterial \u0026amp; Construction\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Buna-N (Nitrile Rubber \/ NBR)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurometer:\u003c\/strong\u003e 70A Shore (medium hardness)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard:\u003c\/strong\u003e AS568 compliant\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003ePerformance Specifications\u003c\/h3\u003e\u003cul\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 hydraulic systems up to 1,500 PSI (with appropriate back-up rings)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFluid Compatibility:\u003c\/strong\u003e Petroleum-based oils and fluids, hydraulic fluids, water, diesel fuel, and many common industrial lubricants\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eExcellent resistance to petroleum-based hydraulic fluids and oils\u003c\/li\u003e\n\u003cli\u003eLow compression set for long-term sealing integrity\u003c\/li\u003e\n\u003cli\u003eGood abrasion and tear resistance\u003c\/li\u003e\n\u003cli\u003eSuitable for static and dynamic sealing applications\u003c\/li\u003e\n\u003cli\u003eConsistent dimensional tolerances for reliable fit\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCommon Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eHydraulic cylinders and actuators\u003c\/li\u003e\n\u003cli\u003ePneumatic fittings and valves\u003c\/li\u003e\n\u003cli\u003ePumps, motors, and manifolds\u003c\/li\u003e\n\u003cli\u003eIndustrial machinery and fluid power systems\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003eNote: For high-pressure applications exceeding 1,500 PSI, use in conjunction with AS568-compliant back-up rings to prevent extrusion.\u003c\/em\u003e\u003c\/p\u003e","brand":"Yarbrough 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