{"product_id":"ever-tite-coupling-products-307gskbums-o-ring-dash-307-nbr","title":"Ever-tite. Coupling Products 307GSKBUMS O-ring Dash 307 Nbr","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe EVER-TITE. COUPLING PRODUCTS 307GSKBUMS is a Dash 307 square-cross-section O-ring manufactured from Nitrile Butadiene Rubber (NBR), also known as Buna-N. It measures 7\/8 inch inside diameter, 1-3\/8 inches outside diameter, and 7\/32 inch thickness. The square cross-section profile provides increased sealing surface contact compared to a standard round-cross-section O-ring, making it well-suited for static sealing applications in fluid and gas systems. Rated for service from -40 degrees F to 212 degrees F, this O-ring is compatible with petroleum-based products. It is installed by plumbers, HVAC technicians, and mechanical tradespeople working on hydraulic, pneumatic, and fluid-handling assemblies.\u003c\/p\u003e\n\u003cp\u003eThis O-ring is used in static face-seal and radial-seal applications across residential and commercial mechanical systems. Typical installations include valve bodies, pipe fittings, pump housings, and manifold connections where a reliable, petroleum-compatible seal is required. The Buna-N material provides solid resistance to oils, fuels, and many hydraulic fluids, making it a common choice in plumbing, HVAC, and light industrial fluid systems. Each unit is sold individually, with a minimum order quantity of 5 pieces.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eSquare cross-section profile increases sealing surface area for static applications\u003c\/li\u003e\n  \u003cli\u003eNitrile Butadiene Rubber (Buna-N) construction offers resistance to petroleum products, oils, and hydraulic fluids\u003c\/li\u003e\n  \u003cli\u003eOperating temperature range of -40 degrees F to 212 degrees F suits a wide variety of mechanical service environments\u003c\/li\u003e\n  \u003cli\u003eDash 307 standard sizing ensures straightforward cross-referencing and replacement\u003c\/li\u003e\n  \u003cli\u003eBlack color finish consistent with standard NBR O-ring identification\u003c\/li\u003e\n  \u003cli\u003eNominal size 3\/4 inch for application reference\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eCompatible with petroleum-based products and fluids. Designed as a standard Dash 307 replacement O-ring for static sealing applications in plumbing, HVAC, and fluid-handling systems requiring a square-cross-section Buna-N seal.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation is typically performed by a licensed plumber or HVAC technician as part of valve, fitting, or pump-housing service. Shut off fluid supply and depressurize the system fully before removing the existing O-ring. Inspect the sealing groove for scoring or corrosion before seating the replacement. Apply a compatible lubricant to the O-ring during installation to prevent tearing and ensure proper seating.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInside Diameter\u003c\/strong\u003e: 0.875 inches (7\/8 inch)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutside Diameter\u003c\/strong\u003e: 1.375 inches (1-3\/8 inches)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThickness\u003c\/strong\u003e: 7\/32 inch\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCross Section Shape\u003c\/strong\u003e: Square\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDash Number\u003c\/strong\u003e: 307\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Nitrile Butadiene Rubber (Buna-N)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColor\u003c\/strong\u003e: Black\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: 212 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\u003eNominal Size\u003c\/strong\u003e: 3\/4 inch\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.008 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: EVER-TITE. COUPLING PRODUCTS\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 307GSKBUMS\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"EVER-TITE","offers":[{"title":"Default Title","offer_id":67912729362738,"sku":"307GSKBUMS","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/eac87705e6e567d192e7ad87eb59ff42.jpg?v=1791238808","url":"https:\/\/voomisupply.com\/products\/ever-tite-coupling-products-307gskbums-o-ring-dash-307-nbr","provider":"Voomi Supply","version":"1.0","type":"link"}