{"product_id":"value-collection-zmsch70347-o-ring-dash-347-nitrile","title":"Value Collection ZMSCH70347 O-ring Dash 347 Nitrile","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe VALUE COLLECTION ZMSCH70347 is a Dash 347 O-ring manufactured from Nitrile Butadiene Rubber (Buna-N), the most widely used elastomer in O-ring sealing applications. It measures 4.25 inches inside diameter by 4.625 inches outside diameter with a 0.1875-inch (3\/16 inch) thick round cross section. Rated at 70 Shore A hardness, this O-ring delivers reliable sealing performance in petroleum-based fluid environments. It is suitable for applications requiring operation across a wide temperature range of -40 degrees F to 250 degrees F. Plumbers, HVAC technicians, and hydraulic system technicians regularly spec Buna-N O-rings for their excellent resistance to petroleum products, low compression set, and strong tear and abrasion resistance.\u003c\/p\u003e\n\u003cp\u003eThis O-ring is used in hydraulic cylinders, pneumatic fittings, pump housings, valve bodies, and pipe connections where petroleum-based fluids or lubricants are present. The Dash 347 designation follows standard AS568 sizing, making it straightforward to identify and cross-reference in MRO and service applications. It is appropriate for both industrial and commercial service environments. It meets SAE and MIL-Spec standards, making it suitable for a range of regulated maintenance and repair applications. This item is sold in a package of 5.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eBuna-N (Nitrile Butadiene Rubber) construction for excellent petroleum product resistance\u003c\/li\u003e\n  \u003cli\u003eRound cross section, 0.1875 inches thick, conforming to Dash 347 AS568 sizing standard\u003c\/li\u003e\n  \u003cli\u003eOperating temperature range: -40 degrees F to 250 degrees F\u003c\/li\u003e\n  \u003cli\u003e70 Shore A hardness rating for firm, reliable sealing compression\u003c\/li\u003e\n  \u003cli\u003eMeets SAE and MIL-Spec standards\u003c\/li\u003e\n  \u003cli\u003eExcellent compression set, tear resistance, and abrasion resistance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned for use with petroleum-based products and fluids. Compatible with hydraulic systems, pneumatic assemblies, pump housings, and valve bodies where Buna-N elastomer is the specified sealing material. Not recommended for exposure to ozone, direct sunlight during storage, or proximity to ozone-generating electrical equipment.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation is typically performed by licensed plumbers, HVAC technicians, or hydraulic system technicians. Always depressurize and drain the system before removing or installing O-rings to prevent injury and ensure proper seating. Lightly lubricate the O-ring with a compatible petroleum-based lubricant before installation to reduce the risk of tearing during assembly. Inspect the groove and mating surfaces for burrs or damage before installing a new O-ring.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInside Diameter\u003c\/strong\u003e: 4.25 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutside Diameter\u003c\/strong\u003e: 4.625 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThickness\u003c\/strong\u003e: 0.1875 inches (3\/16 inches)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCross Section Shape\u003c\/strong\u003e: Round\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDash Number\u003c\/strong\u003e: 347\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Buna-N (Nitrile Butadiene Rubber)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColor\u003c\/strong\u003e: Black\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHardness\u003c\/strong\u003e: 70 Shore A (Hard)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMinimum Working Temperature\u003c\/strong\u003e: -40 degrees F\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaximum Working Temperature\u003c\/strong\u003e: 250 degrees F\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible Fluids\u003c\/strong\u003e: Petroleum Products\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandards\u003c\/strong\u003e: SAE, MIL-Spec\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFDA Approved\u003c\/strong\u003e: No\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Quantity\u003c\/strong\u003e: 5\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.02 pounds\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: VALUE COLLECTION\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: ZMSCH70347\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"VALUE COLLECTION","offers":[{"title":"Default Title","offer_id":51722572300594,"sku":"ZMSCH70347","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/ee7665636411941dfe74e6f39f0f3608.jpg?v=1788592990","url":"https:\/\/voomisupply.com\/products\/value-collection-zmsch70347-o-ring-dash-347-nitrile","provider":"Voomi Supply","version":"1.0","type":"link"}