{"product_id":"value-collection-zmschb90115-nbr-o-ring-dash-8-115","title":"Value Collection ZMSCHB90115 Nbr O-ring Dash 8-115","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe VALUE COLLECTION ZMSCHB90115 is a rectangular cross-section backup O-ring manufactured from Nitrile Butadiene Rubber (NBR). It measures 0.702 inches inside diameter, 0.875 inches outside diameter, and 0.045 inches thick. Rated at 90 durometer (extra hard), this ring is suited for high-pressure sealing applications where standard O-rings need backup support to prevent extrusion. Its NBR compound handles a working temperature range of -40 to 250 degrees F, making it appropriate for hydraulic, pneumatic, and fluid-handling systems. Licensed tradespeople and maintenance technicians working on industrial or commercial equipment typically install this component during seal kit rebuilds or preventive maintenance.\u003c\/p\u003e\u003cp\u003eThis backup ring fits Dash 8-115 groove geometry and is used in systems requiring a rectangular-profile seal to prevent elastomeric O-ring extrusion under elevated pressure. Typical applications include hydraulic cylinders, pneumatic actuators, pump housings, and fluid control valves found in commercial HVAC equipment, plumbing assemblies, and industrial machinery. The NBR material provides solid resistance to petroleum-based oils, fuels, and many common hydraulic fluids, making it a practical choice across a range of trade service scenarios. Each package contains 100 rings with a minimum order of 1 package.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eRectangular cross-section profile designed as a backup ring to prevent O-ring extrusion under high pressure\u003c\/li\u003e\n\u003cli\u003e90 durometer (extra hard) NBR compound for firm, reliable sealing support\u003c\/li\u003e\n\u003cli\u003eOperating temperature range of -40 to 250 degrees F suits both low-temp and moderate-heat environments\u003c\/li\u003e\n\u003cli\u003eDash 8-115 designation ensures correct groove fitment for standard SAE sizing\u003c\/li\u003e\n\u003cli\u003eNBR material resists petroleum-based oils, fuels, and common hydraulic fluids\u003c\/li\u003e\n\u003cli\u003eSold in a package quantity of 100 with a minimum order quantity of 1\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned for use in Dash 8-115 standard O-ring groove configurations in hydraulic, pneumatic, and fluid-handling assemblies requiring a rectangular backup ring.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation is typically performed by licensed plumbers, hydraulic technicians, or mechanical service professionals. Always depressurize and de-energize the system completely before disassembling any seal or fitting. Inspect the groove for wear, burrs, or damage before seating the ring; a damaged groove will compromise the seal. Avoid twisting or overstretching the ring during installation, and confirm groove dimensions match the Dash 8-115 specification before proceeding.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInside Diameter\u003c\/strong\u003e: 0.702 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutside Diameter\u003c\/strong\u003e: 0.875 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThickness\u003c\/strong\u003e: 0.045 inches (0.047 inches nominal per 3\/64 inch fraction)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThickness (mm)\u003c\/strong\u003e: 3.53 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Nitrile Butadiene Rubber (NBR)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCross Section Shape\u003c\/strong\u003e: Rectangle\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\u003eDash Number\u003c\/strong\u003e: 8-115\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: 0.01 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUNSPSC Code\u003c\/strong\u003e: 31401503\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: ZMSCHB90115\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"VALUE COLLECTION","offers":[{"title":"Default Title","offer_id":51703319101746,"sku":"ZMSCHB90115","price":23.53,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/bbbcceebcc98f31c0d76bce29370f44a_9a6f4a98-7bfa-40e2-9eaa-b11789eecbb4.jpg?v=1788416014","url":"https:\/\/voomisupply.com\/products\/value-collection-zmschb90115-nbr-o-ring-dash-8-115","provider":"Voomi Supply","version":"1.0","type":"link"}