{"product_id":"value-collection-zmscv70343-viton-o-ring-dash-343-2-pack","title":"Value Collection ZMSCV70343 Viton O-ring Dash 343 2 Pack","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe VALUE COLLECTION ZMSCV70343 is a Dash 343 Viton (fluoroelastomer) O-ring designed for static and dynamic sealing applications where exposure to petroleum products, high temperatures, or aggressive chemicals is a concern. Measuring 3.75 inches inside diameter, 4.125 inches outside diameter, and 0.1875 inches thick, this round cross-section ring carries a 70 Shore A hardness rating. It is rated for service from -15 degrees F to 400 degrees F, making it a reliable choice in demanding fluid and gas sealing environments. Each package contains 2 rings.\u003c\/p\u003e\n\u003cp\u003eThis O-ring is suited for plumbing, hydraulic, pneumatic, and fuel-system sealing applications in both residential and light commercial settings. Its fluoroelastomer compound provides good resistance to petroleum-based fluids, making it a practical choice for fuel lines, pump housings, valve bodies, and similar assemblies. Technicians in HVAC, plumbing, and industrial maintenance regularly specify Viton rings in applications where nitrile or EPDM compounds fall short due to temperature extremes or chemical exposure. The Dash 343 designation allows straightforward cross-referencing to standard O-ring size charts.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eFluoroelastomer (Viton) compound rated from -15 degrees F to 400 degrees F\u003c\/li\u003e\n  \u003cli\u003e70 Shore A hardness for a firm seal with low compression set\u003c\/li\u003e\n  \u003cli\u003eGood resistance to petroleum products and a wide spectrum of chemicals\u003c\/li\u003e\n  \u003cli\u003eSuitable for vacuum service with low gas permeability\u003c\/li\u003e\n  \u003cli\u003eRound cross-section, Dash 343 standard sizing for easy replacement cross-referencing\u003c\/li\u003e\n  \u003cli\u003eSold in a 2-piece package per order unit\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as a standard Dash 343 O-ring replacement compatible with assemblies requiring a fluoroelastomer seal rated for petroleum products, high temperatures, and chemical exposure. Compatible materials include petroleum-based fluids and products as specified by the manufacturer.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eO-ring installation should be performed by a qualified plumber, HVAC technician, or mechanical technician. Always depressurize and de-energize the system before removing or replacing any sealing components. Inspect the groove and mating surfaces for damage or contamination before seating the new ring, and apply a compatible lubricant to reduce the risk of cutting or rolling the ring during assembly. Avoid using petroleum-based lubricants unless confirmed compatible with fluoroelastomer compounds.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Fluoroelastomer (Viton)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDash Number\u003c\/strong\u003e: 343\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInside Diameter\u003c\/strong\u003e: 3.75 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutside Diameter\u003c\/strong\u003e: 4.125 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\u003eHardness\u003c\/strong\u003e: 70 Shore A (Hard)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMinimum Working Temperature\u003c\/strong\u003e: -15 degrees F\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaximum Working Temperature\u003c\/strong\u003e: 400 degrees F\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible Material\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\u003ePackage Quantity\u003c\/strong\u003e: 2\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: ZMSCV70343\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"VALUE COLLECTION","offers":[{"title":"Default Title","offer_id":51717113577778,"sku":"ZMSCV70343","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/12f66329855a0b584101ba35c9c67bc6.jpg?v=1788535877","url":"https:\/\/voomisupply.com\/products\/value-collection-zmscv70343-viton-o-ring-dash-343-2-pack","provider":"Voomi Supply","version":"1.0","type":"link"}