{"product_id":"value-collection-zmscs70252-silicone-o-ring-dash-252-5pk","title":"Value Collection ZMSCS70252 Silicone O-ring Dash 252 5pk","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe VALUE COLLECTION ZMSCS70252 is a silicone O-ring with a round cross section, designed for static and dynamic sealing applications across a wide temperature range. It measures 5.25 inches inside diameter, 5.5 inches outside diameter, and 0.125 inches thick, conforming to Dash 252 dimensional standards. Rated at 70 Shore A hardness, this O-ring handles continuous service from -80 degrees F to 450 degrees F, making it well suited for high-heat environments where dry heat resistance and ozone resistance are required. Licensed tradespeople and maintenance technicians install this part in mechanical systems where reliable sealing under thermal cycling is critical.\u003c\/p\u003e\n\u003cp\u003eThis O-ring is appropriate for use in residential and commercial mechanical systems where silicone sealing material is specified. Typical applications include HVAC equipment, plumbing assemblies, and industrial fluid handling where exposure to oils, chemicals, or solvents at elevated temperatures occurs. The white silicone compound provides good weather and ozone resistance. Note that oil resistance is limited, so verify compatibility with the fluid media before installation. Each package contains 5 O-rings.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eSilicone material rated for -80 degrees F to 450 degrees F service temperature range\u003c\/li\u003e\n  \u003cli\u003eDash 252 standard dimensions: 5.25 inches ID, 5.5 inches OD, 0.125 inches thick\u003c\/li\u003e\n  \u003cli\u003e70 Shore A hardness rating for firm, reliable sealing compression\u003c\/li\u003e\n  \u003cli\u003eRound cross section for consistent sealing contact in standard O-ring grooves\u003c\/li\u003e\n  \u003cli\u003eGood weather and ozone resistance for outdoor or exposed installations\u003c\/li\u003e\n  \u003cli\u003eCompatible with oils, chemicals, and solvents within silicone material limits\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as a Dash 252 standard O-ring replacement for any groove or fitting that calls for a 5.25-inch ID silicone O-ring with 0.125-inch cross section thickness.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eO-ring installation is typically performed by licensed plumbers, HVAC technicians, or mechanical tradespeople. De-pressurize and drain the system or component before removing the old O-ring. Inspect the groove for nicks, burrs, or corrosion that could compromise the seal. Avoid over-stretching the O-ring during installation, and do not use petroleum-based lubricants with silicone compounds unless confirmed compatible with the system fluid.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Silicone\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColor\u003c\/strong\u003e: White\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDash Number\u003c\/strong\u003e: 252\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInside Diameter\u003c\/strong\u003e: 5.25 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutside Diameter\u003c\/strong\u003e: 5.5 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThickness\u003c\/strong\u003e: 0.125 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: -80 degrees F\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaximum Working Temperature\u003c\/strong\u003e: 450 degrees F\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible Media\u003c\/strong\u003e: Oils, Chemicals, Solvents\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  \u003cli\u003e\n\u003cstrong\u003eUNSPSC Code\u003c\/strong\u003e: 31401503\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: ZMSCS70252\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"VALUE COLLECTION","offers":[{"title":"Default Title","offer_id":51694713176370,"sku":"ZMSCS70252","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/d07c30dd8efcd500b8bb1759bdfbae86_81a8a563-055b-48ab-ab61-71a954d9eea4.jpg?v=1788327583","url":"https:\/\/voomisupply.com\/products\/value-collection-zmscs70252-silicone-o-ring-dash-252-5pk","provider":"Voomi Supply","version":"1.0","type":"link"}