{"product_id":"value-collection-zmsch90018-o-ring-dash-018-nbr-90-duro-100pk","title":"Value Collection ZMSCH90018 O-ring Dash 018 Nbr 90 Duro 100pk","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe VALUE COLLECTION ZMSCH90018 is a Dash 018 Buna-N (Nitrile Butadiene Rubber) O-ring rated at 90 durometer hardness, sold in a package of 100 pieces. It measures 0.75 inches inside diameter, 0.875 inches outside diameter, and 0.0625 inches thick with a round cross section. Rated for service from -40 degrees F to 250 degrees F, this extra-hard NBR compound delivers excellent resistance to petroleum-based fluids, oils, and fuels. It also provides strong compression set performance along with good tear and abrasion resistance. Licensed plumbers, HVAC technicians, and maintenance mechanics reach for Buna-N O-rings as the standard general-purpose seal for fluid and pneumatic systems.\u003c\/p\u003e\u003cp\u003eThis O-ring is suited for residential and commercial plumbing, HVAC refrigerant-adjacent components, hydraulic fittings, pneumatic cylinders, and fuel-handling assemblies where petroleum-product exposure is routine. The Dash 018 designation is a widely referenced AS568 standard size, making this ring a common replacement seal in valves, unions, fittings, and pump housings across a broad range of trade applications. The 100-piece pack format is practical for shop stock and service trucks that regularly service systems requiring this size.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eBuna-N (NBR) elastomer with excellent petroleum product resistance\u003c\/li\u003e\n\u003cli\u003e90 durometer extra-hard rating for high-pressure sealing applications\u003c\/li\u003e\n\u003cli\u003eOperating range of -40 degrees F to 250 degrees F\u003c\/li\u003e\n\u003cli\u003eDash 018 designation per AS568 standard sizing\u003c\/li\u003e\n\u003cli\u003eRound cross section, 0.0625 inches thick, for consistent groove fit\u003c\/li\u003e\n\u003cli\u003eMeets SAE and MIL-Spec standards\u003c\/li\u003e\n\u003cli\u003e100-piece package quantity for shop stock and field service use\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eCompatible with petroleum products, oils, fuels, and hydraulic fluids. Designed as a standard Dash 018 AS568-size replacement O-ring for valves, fittings, pump housings, and similar components in plumbing, HVAC, and fluid-handling systems. Not FDA approved; not intended for food-contact or potable-water applications without independent verification of code compliance.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation should be performed by a qualified plumber, HVAC technician, or mechanic. Shut off and depressurize the system fully before removing or replacing any O-ring seal. Lightly lubricate the O-ring with a compatible petroleum-based or synthetic lubricant before seating to prevent tearing during assembly. Avoid storing unused O-rings in direct sunlight or near motors and other electrical equipment that may generate ozone, as ozone exposure degrades NBR compounds over time.\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: 018\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInside Diameter\u003c\/strong\u003e: 0.75 inches (18.77 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutside Diameter\u003c\/strong\u003e: 0.875 inches (22.23 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThickness\u003c\/strong\u003e: 0.0625 inches (1.78 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 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: 100 pieces\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Weight\u003c\/strong\u003e: 0.37 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: ZMSCH90018\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"VALUE COLLECTION","offers":[{"title":"Default Title","offer_id":51689282011442,"sku":"ZMSCH90018","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/b0005112a24b364628012f6b01fa012a.jpg?v=1788256750","url":"https:\/\/voomisupply.com\/products\/value-collection-zmsch90018-o-ring-dash-018-nbr-90-duro-100pk","provider":"Voomi Supply","version":"1.0","type":"link"}