{"product_id":"value-collection-zmsch70md245-o-ring-dash-245-nbr-70","title":"Value Collection ZMSCH70MD245 O-ring Dash 245 Nbr 70","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe VALUE COLLECTION ZMSCH70MD245 is a Dash 245 O-ring made from Nitrile Butadiene Rubber (NBR), the most widely used elastomer in fluid sealing applications. It measures 4.359 inches inside diameter, 4.625 inches outside diameter, and 0.125 inches thick with a round cross section. Rated at 70 Shore A hardness, this O-ring delivers excellent resistance to petroleum products along with strong compression set, tear, and abrasion resistance. It is used by plumbers, HVAC technicians, and industrial maintenance professionals wherever a reliable static or dynamic petroleum-compatible seal is required. Package includes 2 O-rings per unit.\u003c\/p\u003e\n\u003cp\u003eThis O-ring is suited for hydraulic systems, pneumatic assemblies, pumps, valves, and pipe fittings that come into contact with petroleum-based fluids, oils, and fuels. It performs across a wide temperature range, from -40 degrees F to 250 degrees F, making it appropriate for both indoor mechanical rooms and outdoor equipment exposed to seasonal temperature swings. Its black NBR construction is compatible with a broad range of petroleum products encountered in HVAC, plumbing, and general industrial service.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eNitrile Butadiene Rubber (NBR) construction with excellent petroleum product resistance\u003c\/li\u003e\n  \u003cli\u003e70 Shore A hardness rating for reliable sealing under compression\u003c\/li\u003e\n  \u003cli\u003eRound cross section, Dash 245 standard sizing for drop-in replacement fitment\u003c\/li\u003e\n  \u003cli\u003eOperating temperature range: -40 degrees F to 250 degrees F\u003c\/li\u003e\n  \u003cli\u003eStrong tear and abrasion resistance extends service life in dynamic applications\u003c\/li\u003e\n  \u003cli\u003eStore away from direct sunlight, ozone sources, and electrical motors to preserve elastomer integrity\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eCompatible with petroleum products including oils, fuels, and hydraulic fluids. Designed as a standard Dash 245 O-ring replacement for any application requiring a 4.359-inch ID, 4.625-inch OD, 0.125-inch thick round cross section seal. Note: not FDA approved for food-contact applications.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation is performed by licensed plumbers, HVAC technicians, or qualified maintenance personnel. Depressurize and isolate the system before removing the old O-ring. Inspect the sealing groove for burrs, corrosion, or debris, and clean thoroughly before seating the new ring. Do not use petroleum-based lubricants unless confirmed compatible with the system fluid; use an appropriate O-ring lubricant to ease installation and prevent rolling or twisting in the groove.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInside Diameter\u003c\/strong\u003e: 4.359 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: 0.125 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDash Number\u003c\/strong\u003e: 245\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCross Section Shape\u003c\/strong\u003e: Round\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Nitrile Butadiene Rubber (NBR)\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\u003eFDA Approved\u003c\/strong\u003e: No\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Quantity\u003c\/strong\u003e: 2 O-rings\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: ZMSCH70MD245\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"VALUE COLLECTION","offers":[{"title":"Default Title","offer_id":51689106473266,"sku":"ZMSCH70MD245","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/d07c30dd8efcd500b8bb1759bdfbae86_0601e9b7-cc38-434e-bc19-33f71662afe3.jpg?v=1788254807","url":"https:\/\/voomisupply.com\/products\/value-collection-zmsch70md245-o-ring-dash-245-nbr-70","provider":"Voomi Supply","version":"1.0","type":"link"}