{"product_id":"value-collection-zmsch90260-o-ring-dash-260-buna-n","title":"Value Collection ZMSCH90260 O-ring Dash 260 Buna-n","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe VALUE COLLECTION ZMSCH90260 is a Dash 260 Buna-N (Nitrile Butadiene Rubber) O-ring with a 6.5-inch inside diameter, 6.75-inch outside diameter, and a 0.125-inch cross-section thickness. Rated at 90 durometer (Extra Hard), this O-ring is built for static and dynamic sealing applications where petroleum-based fluids and hydraulic media are present. The round cross-section profile seats consistently in standard AN\/MS dash-260 grooves. Licensed plumbers, millwrights, and hydraulic system technicians regularly specify this elastomer for fluid-sealing service across a broad temperature range of -40 to 250 degrees F.\u003c\/p\u003e\n\u003cp\u003eThis O-ring is suited for use in hydraulic cylinders, pump housings, valve bodies, and fluid connectors where exposure to petroleum products, oils, fuels, and lubricants is expected. The Buna-N compound makes it one of the most widely used elastomers in industrial plumbing, HVAC refrigerant-oil circuits, and hydraulic equipment. It is sold in a package quantity of 10, making it practical for both service-call restocking and bench-level rebuild kits.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eDash 260 standard sizing: 6.5-inch ID x 6.75-inch OD x 0.125-inch thick\u003c\/li\u003e\n  \u003cli\u003e90 durometer Extra Hard rating for high-pressure sealing applications\u003c\/li\u003e\n  \u003cli\u003eBuna-N (Nitrile Butadiene Rubber) compound offers excellent resistance to petroleum products, oils, and fuels\u003c\/li\u003e\n  \u003cli\u003eOperating temperature range of -40 to 250 degrees F\u003c\/li\u003e\n  \u003cli\u003eExcellent compression set, tear resistance, and abrasion resistance\u003c\/li\u003e\n  \u003cli\u003eMeets SAE and MIL-Spec standards\u003c\/li\u003e\n  \u003cli\u003ePackage quantity of 10 per order\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eCompatible with petroleum products, hydraulic oils, fuels, and lubricants. Not recommended for use with ozone-generating environments or direct sunlight exposure. Designed as an OEM-style replacement or service O-ring for any application calling for a standard Dash 260 Buna-N O-ring.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation should be performed by a qualified technician familiar with fluid system sealing practices. Always depressurize and drain the system before removing or replacing O-rings. Lightly lubricate the O-ring with a compatible fluid or assembly lubricant prior to seating to prevent rolling or pinching during installation. Do not store unused O-rings in direct sunlight or near motors and electrical equipment that may generate ozone, as this degrades the Buna-N compound.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\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: 260\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInside Diameter\u003c\/strong\u003e: 6.5 inches (164.69 mm)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutside Diameter\u003c\/strong\u003e: 6.75 inches (171.45 mm)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThickness\u003c\/strong\u003e: 0.125 inches (3.53 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\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHardness Rating\u003c\/strong\u003e: 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 Media\u003c\/strong\u003e: Petroleum Products, Oils, Fuels, Lubricants\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: 0.71 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: ZMSCH90260\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"VALUE COLLECTION","offers":[{"title":"Default Title","offer_id":51693840695602,"sku":"ZMSCH90260","price":16.17,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/e63e5be40384736fb1f090e4d0cdd585_4aecb124-b527-494f-abef-69a8bfe3561f.jpg?v=1788318040","url":"https:\/\/voomisupply.com\/products\/value-collection-zmsch90260-o-ring-dash-260-buna-n","provider":"Voomi Supply","version":"1.0","type":"link"}