{"product_id":"value-collection-zmsch90270-o-ring-dash-270-nitrile-90a","title":"Value Collection ZMSCH90270 O-ring Dash 270 Nitrile 90A","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe VALUE COLLECTION ZMSCH90270 is a Dash 270 O-ring manufactured from Buna-N (Nitrile Butadiene Rubber), one of the most widely used elastomers in fluid sealing applications. It measures 9 inches inside diameter, 9.25 inches outside diameter, and 0.125 inches in cross-section thickness. The compound is rated at 90 durometer, placing it in the extra-hard hardness range. This O-ring delivers excellent resistance to petroleum-based products, strong compression set performance, and solid tear and abrasion resistance. It is suitable for use across a broad temperature range of -40 to 250 degrees F. Sold in packages of 10.\u003c\/p\u003e\n\u003cp\u003eThis O-ring is used in plumbing, hydraulic, pneumatic, and mechanical systems where a reliable static or dynamic seal is required against petroleum-based fluids. Its extra-hard 90 durometer rating makes it well-suited for higher-pressure sealing applications. Licensed plumbers, pipefitters, and industrial maintenance technicians commonly specify Buna-N O-rings for pump housings, valve bodies, cylinder heads, and pipe fittings. The Dash 270 size designation is a standard cross-reference used across trade catalogs and OEM seal kits. Note that this material should not be stored in direct sunlight or near ozone-generating equipment such as electric motors.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eBuna-N (Nitrile Butadiene Rubber) construction — excellent resistance to petroleum products\u003c\/li\u003e\n  \u003cli\u003e90 durometer extra-hard rating for demanding sealing environments\u003c\/li\u003e\n  \u003cli\u003eOperating temperature range: -40 to 250 degrees F\u003c\/li\u003e\n  \u003cli\u003eRound cross-section profile, standard Dash 270 designation\u003c\/li\u003e\n  \u003cli\u003eMeets SAE and MIL-Spec standards\u003c\/li\u003e\n  \u003cli\u003eSold in a package quantity of 10\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eCompatible with petroleum-based fluids and products. Designed as a standard Dash 270 O-ring for use in hydraulic, pneumatic, plumbing, and mechanical sealing applications requiring a Buna-N elastomer. Not FDA approved; not recommended for food-contact applications.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation is performed by licensed plumbers, pipefitters, or qualified maintenance technicians depending on the system type. Shut down and depressurize the system fully before replacing any O-ring seal. Lightly lubricate the O-ring with a compatible petroleum-based lubricant before seating to prevent rolling or tearing during installation. Avoid storing unused O-rings near direct sunlight, UV sources, or electrical equipment that may generate ozone, as ozone degrades Buna-N over time.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Buna-N (Nitrile Butadiene Rubber)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInside Diameter\u003c\/strong\u003e: 9 inches (228.19 mm)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutside Diameter\u003c\/strong\u003e: 9.25 inches (234.95 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\u003eDash Number\u003c\/strong\u003e: 270\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHardness\u003c\/strong\u003e: 90 Durometer (Extra Hard)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCross Section Shape\u003c\/strong\u003e: Round\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\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: 10\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.93 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: ZMSCH90270\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"VALUE COLLECTION","offers":[{"title":"Default Title","offer_id":51707159478578,"sku":"ZMSCH90270","price":27.48,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/e63e5be40384736fb1f090e4d0cdd585_4e0968fe-e846-429f-b813-a7dbd25b6551.jpg?v=1788438669","url":"https:\/\/voomisupply.com\/products\/value-collection-zmsch90270-o-ring-dash-270-nitrile-90a","provider":"Voomi Supply","version":"1.0","type":"link"}