{"product_id":"value-collection-zmsch70255-o-ring-dash-255-nbr","title":"Value Collection ZMSCH70255 O-ring Dash 255 Nbr","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe VALUE COLLECTION ZMSCH70255 is a Dash 255 Nitrile Butadiene Rubber (NBR) O-ring designed for static and dynamic sealing applications in fluid and pneumatic systems. It measures 5.625 inches inside diameter, 5.875 inches outside diameter, and 0.125 inches thick with a round cross section. Hardness is rated at 70 Shore A, placing it in the hard range for reliable compression set resistance. Buna-N is the most widely used O-ring elastomer and offers strong resistance to petroleum-based fluids, making it a go-to choice for plumbing, HVAC, and hydraulic service professionals.\u003c\/p\u003e\n\u003cp\u003eThis O-ring is suited for use in residential and commercial plumbing, HVAC equipment, hydraulic assemblies, and fuel-handling systems where contact with petroleum products is expected. Its operating temperature range of -40 degrees F to 250 degrees F covers a broad range of service conditions. It is sold in packages of 10 and is installed by licensed plumbers, HVAC technicians, and hydraulic equipment service professionals.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eBuna-N (NBR) elastomer provides excellent resistance to petroleum-based fluids and lubricants\u003c\/li\u003e\n  \u003cli\u003e70 Shore A hardness rating delivers strong compression set and tear resistance\u003c\/li\u003e\n  \u003cli\u003eRound cross section, 0.125 inches thick, for consistent sealing across standard grooves\u003c\/li\u003e\n  \u003cli\u003eWide service temperature range: -40 degrees F to 250 degrees F\u003c\/li\u003e\n  \u003cli\u003eMeets SAE and MIL-Spec standards\u003c\/li\u003e\n  \u003cli\u003ePackage quantity of 10 units per order\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as a standard Dash 255 O-ring replacement compatible with petroleum product environments. Should not be used in contact with ozone, direct sunlight exposure, or near motors and electrical equipment that generate ozone. Not FDA approved for food-contact applications.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation is typically performed by licensed plumbers, HVAC technicians, or hydraulic service professionals. Always depressurize and drain the system before replacing O-rings. Inspect the mating groove for wear, burrs, or corrosion before seating the new ring. Avoid stretching the O-ring excessively during installation to prevent cross-section distortion and premature seal failure.\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 (Buna-N)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDash Number\u003c\/strong\u003e: 255\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInside Diameter\u003c\/strong\u003e: 5.625 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutside Diameter\u003c\/strong\u003e: 5.875 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThickness\u003c\/strong\u003e: 0.125 inches\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: 70 Shore A (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\u003eFDA Approved\u003c\/strong\u003e: No\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandards\u003c\/strong\u003e: SAE, MIL-Spec\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: 0.02 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: ZMSCH70255\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"VALUE COLLECTION","offers":[{"title":"Default Title","offer_id":51696200778034,"sku":"ZMSCH70255","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/4a3258c42cc1d6478435de8848ae6eae.jpg?v=1788340422","url":"https:\/\/voomisupply.com\/products\/value-collection-zmsch70255-o-ring-dash-255-nbr","provider":"Voomi Supply","version":"1.0","type":"link"}