{"product_id":"value-collection-zmsch90206-o-ring-dash-206-nbr-90-duro","title":"Value Collection ZMSCH90206 O-ring Dash 206 Nbr 90 Duro","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe VALUE COLLECTION ZMSCH90206 is a Dash 206 Buna-N (Nitrile Butadiene Rubber) O-ring with a 0.5-inch inside diameter, 0.75-inch outside diameter, and a cross-section thickness of 0.125 inches. Rated at 90 durometer (extra hard), it delivers strong resistance to compression set, tearing, and abrasion. Its operating temperature range spans -40 to 250 degrees F, making it suitable for a broad range of service conditions. Sold in a package quantity of 50, this O-ring is installed by HVAC technicians, plumbers, and pipefitters in systems where petroleum-based fluids are present.\u003c\/p\u003e\u003cp\u003eThis O-ring is suited for sealing applications in residential and commercial HVAC, plumbing, and hydraulic systems where petroleum product compatibility is required. Buna-N is the most widely used O-ring elastomer in trade applications and performs reliably in compressor fittings, valve bodies, pump assemblies, and fluid line connections. The 90 durometer hardness rating makes it a strong choice where higher extrusion resistance is needed under pressure. Conforms to SAE and MIL-Spec standards.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eBuna-N (NBR) elastomer with excellent resistance to petroleum-based fluids and lubricants\u003c\/li\u003e\n\u003cli\u003e90 durometer extra-hard rating provides strong extrusion resistance under pressure\u003c\/li\u003e\n\u003cli\u003eWide temperature range: -40 to 250 degrees F\u003c\/li\u003e\n\u003cli\u003eRound cross-section, Dash 206 standard sizing\u003c\/li\u003e\n\u003cli\u003eMeets SAE and MIL-Spec standards\u003c\/li\u003e\n\u003cli\u003ePack of 50 for shop stock or service van inventory\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eCompatible with petroleum-based products and fluids. Designed for use in sealing applications requiring a Dash 206 Buna-N O-ring. Not FDA approved; not recommended for food-contact or ozone-heavy environments. Store away from direct sunlight, motors, and electrical equipment that may generate ozone.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation is performed by licensed HVAC technicians, plumbers, or pipefitters depending on the application. Always depressurize and de-energize the system before removing or installing O-rings. Lightly lubricate with a compatible petroleum-based grease before seating to prevent pinching or tearing during assembly. Do not install in applications involving ozone, strong acids, ketones, or chlorinated solvents, as Buna-N is not resistant to those media.\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: 206\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInside Diameter\u003c\/strong\u003e: 0.5 inches (12.29 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutside Diameter\u003c\/strong\u003e: 0.75 inches (19.05 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThickness\u003c\/strong\u003e: 0.125 inches (3.53 mm)\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: 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\u003eColor\u003c\/strong\u003e: Black\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: 50\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.32 pounds\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: ZMSCH90206\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"VALUE COLLECTION","offers":[{"title":"Default Title","offer_id":51714891546930,"sku":"ZMSCH90206","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/e63e5be40384736fb1f090e4d0cdd585_9de1870d-323a-45cc-ae95-dee8117f99b2.jpg?v=1788507516","url":"https:\/\/voomisupply.com\/products\/value-collection-zmsch90206-o-ring-dash-206-nbr-90-duro","provider":"Voomi Supply","version":"1.0","type":"link"}