{"product_id":"value-collection-zmsch70353-o-ring-dash-353-nbr-5-pack","title":"Value Collection ZMSCH70353 O-ring Dash 353 Nbr 5 Pack","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe VALUE COLLECTION ZMSCH70353 is a Dash 353 Nitrile Butadiene Rubber (Buna-N) o-ring with a 5-inch inside diameter, 5.375-inch outside diameter, and a 3\/16-inch (0.1875-inch) thick round cross section. Rated at 70 Shore A hardness, it seals against petroleum-based media and delivers reliable compression set resistance across a wide temperature range of -40 degrees F to 250 degrees F. This is one of the most broadly used elastomer compounds in fluid sealing applications. Sold in a package of 5. Licensed HVAC technicians, plumbers, and pipefitters commonly stock this size for routine maintenance and field repair work.\u003c\/p\u003e\u003cp\u003eThis o-ring is suited for use in static and low-speed dynamic sealing applications involving petroleum products, hydraulic fluids, and mineral-based oils. Its Buna-N compound provides strong resistance to fuels, lubricants, and many common industrial fluids. Typical install scenarios include pump housings, valve bodies, compressor ports, and pipe fittings in residential and commercial mechanical systems. The 70-durometer hardness rating makes it suitable for moderate-pressure sealing where a firm but compressible seal is required.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eBuna-N (Nitrile Butadiene Rubber) compound — the most widely specified elastomer for petroleum-fluid sealing\u003c\/li\u003e\n\u003cli\u003eDash 353 standard sizing: 5-inch ID, 5.375-inch OD, 3\/16-inch cross section\u003c\/li\u003e\n\u003cli\u003e70 Shore A durometer rated as Hard — resists extrusion under moderate pressure\u003c\/li\u003e\n\u003cli\u003eOperating temperature range: -40 degrees F to 250 degrees F\u003c\/li\u003e\n\u003cli\u003eRound cross section for consistent radial compression in grooved seats\u003c\/li\u003e\n\u003cli\u003eMeets SAE and MIL-Spec standards\u003c\/li\u003e\n\u003cli\u003ePackage of 5 units per order\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eCompatible with petroleum products, mineral-based hydraulic fluids, and related fluids. Not FDA approved. Not recommended for ozone-generating environments, direct sunlight exposure, or proximity to motors and electrical equipment that produce ozone.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation should be performed by a qualified plumber, HVAC technician, or pipefitter familiar with fluid sealing procedures. Shut off fluid supply and relieve system pressure before replacing any o-ring. Inspect the groove for burrs, corrosion, or damage that could cut or deform the seal. Avoid rolling or twisting the o-ring during installation; light lubrication with a compatible fluid is recommended to seat the ring without pinching.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Buna-N (Nitrile Butadiene Rubber)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDash Number\u003c\/strong\u003e: 353\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInside Diameter\u003c\/strong\u003e: 5 inches (5.0000 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutside Diameter\u003c\/strong\u003e: 5.375 inches (5.3750 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThickness (Cross Section)\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\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 Media\u003c\/strong\u003e: Petroleum Products\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor\u003c\/strong\u003e: Black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFDA Approved\u003c\/strong\u003e: No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandards\u003c\/strong\u003e: SAE, MIL-Spec\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\u003cli\u003e\n\u003cstrong\u003eUNSPSC Code\u003c\/strong\u003e: 31401503\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\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: ZMSCH70353\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"VALUE COLLECTION","offers":[{"title":"Default Title","offer_id":51703733158194,"sku":"ZMSCH70353","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/ae143831da3c31bc2cb2c1bfe4bd390d.jpg?v=1788418292","url":"https:\/\/voomisupply.com\/products\/value-collection-zmsch70353-o-ring-dash-353-nbr-5-pack","provider":"Voomi Supply","version":"1.0","type":"link"}