{"product_id":"value-collection-zmsch90908-o-ring-dash-908-nbr","title":"Value Collection ZMSCH90908 O-ring Dash 908 Nbr","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe VALUE COLLECTION ZMSCH90908 is a Dash 908 Nitrile Butadiene Rubber (NBR) O-ring designed for sealing applications in fluid and pneumatic systems. It measures 0.644 inches inside diameter, 0.818 inches outside diameter, and 0.087 inches thick, with a cross-section that is round. Rated at 90 durometer (extra hard), this O-ring handles temperatures from -40 to 250 degrees F. NBR is the most widely used O-ring elastomer in trade applications, offering reliable sealing in systems exposed to petroleum-based fluids. Licensed plumbers, HVAC technicians, and mechanical contractors reach for NBR O-rings as a standard consumable replacement component.\u003c\/p\u003e\n\u003cp\u003eThis O-ring is suited for residential and commercial plumbing, HVAC refrigerant and oil circuits, hydraulic fittings, and other applications involving petroleum-based media. Its extra-hard 90 durometer rating makes it a strong choice where higher extrusion resistance is needed under elevated system pressures. The -40 to 250 degrees F temperature range covers most standard mechanical and HVAC service scenarios. It ships in a package quantity of 100, supporting service van stock and shop inventory alike.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eNBR material provides excellent resistance to petroleum products including oils, fuels, and hydraulic fluids\u003c\/li\u003e\n  \u003cli\u003e90 durometer extra-hard rating delivers high extrusion resistance under pressure\u003c\/li\u003e\n  \u003cli\u003eOperating temperature range: -40 to 250 degrees F\u003c\/li\u003e\n  \u003cli\u003eRound cross-section, Dash 908 standard sizing for consistent fit in standard O-ring grooves\u003c\/li\u003e\n  \u003cli\u003eExcellent compression set, tear resistance, and abrasion resistance\u003c\/li\u003e\n  \u003cli\u003eMeets SAE and MIL-Spec standards\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eCompatible with petroleum products and petroleum-based fluid systems. Designed for use in standard Dash 908 O-ring groove applications. Not recommended for exposure to ozone, direct sunlight during storage, or systems requiring FDA-approved elastomers.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003ePlumbers, HVAC technicians, and hydraulic system mechanics typically install NBR O-rings as part of fitting assembly or component replacement. Always depressurize and isolate the system before replacing any O-ring. Avoid storing NBR O-rings near motors, electrical equipment, or in direct sunlight, as ozone exposure degrades the material. Lubricate the O-ring with a compatible fluid during installation to seat it properly and prevent tearing during assembly.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInside Diameter\u003c\/strong\u003e: 0.644 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutside Diameter\u003c\/strong\u003e: 0.818 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThickness\u003c\/strong\u003e: 0.087 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: 908\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Nitrile Butadiene Rubber (Buna-N)\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: 90 Durometer (Extra 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\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: 100\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.3 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: ZMSCH90908\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"VALUE COLLECTION","offers":[{"title":"Default Title","offer_id":51700736655666,"sku":"ZMSCH90908","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/56bbeae73bad4df35929c0933e729fe3.jpg?v=1788394572","url":"https:\/\/voomisupply.com\/products\/value-collection-zmsch90908-o-ring-dash-908-nbr","provider":"Voomi Supply","version":"1.0","type":"link"}