{"product_id":"value-collection-zmschb90117-nbr-o-ring-dash-8-117-50-pack","title":"Value Collection ZMSCHB90117 Nbr O-ring Dash 8-117 50-pack","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe VALUE COLLECTION ZMSCHB90117 is a Dash 8-117 rectangular cross-section backup ring made from Nitrile Butadiene Rubber (NBR). It measures 0.832 inches inside diameter, 1 inch outside diameter, and 0.045 inches thick. Rated at 90 durometer, this extra-hard backup ring is designed to prevent O-ring extrusion under pressure. It operates across a temperature range of -40 to 250 degrees F. Each package contains 50 pieces, making it a practical stocking item for plumbing, hydraulic, and fluid-system service work performed by licensed plumbers, HVAC technicians, and industrial maintenance trades.\u003c\/p\u003e\n\u003cp\u003eBackup rings in the Dash 8-117 size are commonly used in hydraulic cylinders, pneumatic assemblies, fluid connectors, and low-pressure plumbing fittings where dynamic or static sealing is required. The rectangular cross section distributes load evenly across the sealing surface and resists spiral failure. The NBR compound performs reliably in contact with petroleum-based oils, fuels, and water-based fluids. This size is a standard fitment in residential and light commercial fluid-handling systems.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eDash 8-117 designation for straightforward cross-reference and replacement sourcing\u003c\/li\u003e\n  \u003cli\u003e90 durometer extra-hard NBR construction resists extrusion at elevated system pressures\u003c\/li\u003e\n  \u003cli\u003eRectangular cross section provides stable, even load distribution against mating surfaces\u003c\/li\u003e\n  \u003cli\u003eRated for service from -40 to 250 degrees F, suitable for a wide range of fluid-system temperatures\u003c\/li\u003e\n  \u003cli\u003eCompatible with petroleum-based oils, fuels, and water-based hydraulic fluids\u003c\/li\u003e\n  \u003cli\u003e50-piece package supports shop stocking and repeat service calls\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as an OEM-style replacement backup ring for hydraulic, pneumatic, and plumbing assemblies requiring a Dash 8-117 rectangular NBR seal with a 0.832-inch inside diameter and 1-inch outside diameter.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation is typically performed by licensed plumbers, HVAC technicians, or hydraulic system technicians. Always depressurize and isolate the fluid circuit before disassembling any fitting or cylinder to replace seals. Inspect the gland and mating surfaces for scoring or burrs before installing the new backup ring. Avoid rolling, twisting, or stretching the ring beyond its natural diameter during installation to prevent compromising the seal.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Nitrile Butadiene Rubber (NBR)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDash Number\u003c\/strong\u003e: 8-117\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInside Diameter\u003c\/strong\u003e: 0.832 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutside Diameter\u003c\/strong\u003e: 1 inch\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThickness\u003c\/strong\u003e: 0.045 inches (3\/64 inch)\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 Operating Temperature\u003c\/strong\u003e: -40 degrees F\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaximum Operating Temperature\u003c\/strong\u003e: 250 degrees F\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 pieces\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.07 pounds\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: ZMSCHB90117\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"VALUE COLLECTION","offers":[{"title":"Default Title","offer_id":51693310574898,"sku":"ZMSCHB90117","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/bbbcceebcc98f31c0d76bce29370f44a_58345de0-737d-4150-8fb8-84094d5f67e8.jpg?v=1788310464","url":"https:\/\/voomisupply.com\/products\/value-collection-zmschb90117-nbr-o-ring-dash-8-117-50-pack","provider":"Voomi Supply","version":"1.0","type":"link"}