{"product_id":"value-collection-zmschb90032-o-ring-nbr-90-duro-dash-8-032","title":"Value Collection ZMSCHB90032 O-ring Nbr 90 Duro Dash 8-032","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe VALUE COLLECTION ZMSCHB90032 is a rectangular cross-section backup O-ring made from Nitrile Butadiene Rubber (NBR), rated at 90 durometer for extra-hard sealing performance. It measures 1.893 inches inside diameter, 2.000 inches outside diameter, and 0.047 inches thick. The rectangular cross section and high durometer rating make this a backup ring application component, used to prevent seal extrusion under pressure. It is suitable for hydraulic, pneumatic, plumbing, and fluid-handling assemblies across HVAC, industrial, and mechanical service applications. Licensed technicians and mechanical service professionals install these rings during seal replacement and valve service procedures.\u003c\/p\u003e\u003cp\u003eThis O-ring is suited for systems that operate across a wide temperature range, from -40 degrees F to 250 degrees F. The NBR material provides good resistance to oils, fuels, and water-based fluids, making it a practical choice for refrigerant-adjacent plumbing connections, hydraulic fittings, and general mechanical assemblies. Each package contains 50 rings, making it appropriate for shop stock or multi-unit service calls. The Dash 8-032 designation corresponds to a standardized size classification used across many OEM and aftermarket seal applications.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eNBR (Nitrile Butadiene Rubber) construction resists oils, fuels, and water-based fluids\u003c\/li\u003e\n\u003cli\u003e90 durometer extra-hard rating for backup ring and anti-extrusion use\u003c\/li\u003e\n\u003cli\u003eRectangular cross section for precise fit in backup ring grooves\u003c\/li\u003e\n\u003cli\u003eWide service temperature range: -40 degrees F to 250 degrees F\u003c\/li\u003e\n\u003cli\u003eStandardized Dash 8-032 sizing for broad fitment across OEM and aftermarket assemblies\u003c\/li\u003e\n\u003cli\u003ePackaged in quantities of 50 for shop stock or multi-unit service\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as a standard Dash 8-032 backup O-ring for hydraulic, pneumatic, plumbing, and fluid-handling assemblies requiring a rectangular-cross-section NBR seal at this dimensional specification.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation should be performed by a qualified mechanic or service technician familiar with hydraulic or pneumatic seal replacement. De-pressurize and isolate the system fully before opening any fitting or valve. Avoid rolling or twisting the ring during installation to prevent stress cracking. Inspect the mating groove for burrs or contamination before seating the ring.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\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: 8-032\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInside Diameter\u003c\/strong\u003e: 1.893 inches (48.80 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutside Diameter\u003c\/strong\u003e: 2.000 inches (50.80 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThickness\u003c\/strong\u003e: 0.047 inches (1.15 mm)\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\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: 0.08 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: ZMSCHB90032\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"VALUE COLLECTION","offers":[{"title":"Default Title","offer_id":51693390201138,"sku":"ZMSCHB90032","price":22.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/c90706c0e8a4362bb060d294824dd8e1.jpg?v=1788311624","url":"https:\/\/voomisupply.com\/products\/value-collection-zmschb90032-o-ring-nbr-90-duro-dash-8-032","provider":"Voomi Supply","version":"1.0","type":"link"}