{"product_id":"value-collection-zmsch70906-dash-906-buna-n-o-ring-100-pack","title":"Value Collection ZMSCH70906 Dash 906 Buna-n O-ring 100-pack","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe VALUE COLLECTION ZMSCH70906 is a Dash 906 O-ring made from Buna-N (Nitrile Butadiene Rubber), one of the most widely used elastomers in fluid sealing applications. It measures 0.468 inches inside diameter, 0.624 inches outside diameter, and 0.078 inches thick with a round cross section and a Shore A hardness of 70. This O-ring is rated for service from -40 degrees F to 250 degrees F and is compatible with petroleum-based fluids, making it a reliable choice for hydraulic, pneumatic, and fuel system sealing. It is sold in packages of 100.\u003c\/p\u003e\u003cp\u003eThis O-ring is specified as an O-Ring Boss (ORB) gasket for straight-thread tube fittings, which are common in hydraulic systems, HVAC refrigerant circuits, plumbing assemblies, and industrial fluid transfer equipment. The Dash 906 designation follows SAE and MIL-Spec sizing standards, so it is straightforward to cross-reference against existing fitting specifications. Residential and commercial service technicians working on hydraulic lines, oil systems, or refrigerant-rated fitting connections will find this size in frequent rotation.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eBuna-N (Nitrile Butadiene Rubber) construction offers excellent resistance to petroleum products, hydraulic oils, and fuels\u003c\/li\u003e\n\u003cli\u003eRound cross section with 70 Shore A hardness provides reliable compression set and sealing under pressure\u003c\/li\u003e\n\u003cli\u003eOperating temperature range of -40 degrees F to 250 degrees F suits a wide range of service environments\u003c\/li\u003e\n\u003cli\u003eTear and abrasion resistance extends service life in dynamic or high-cycle applications\u003c\/li\u003e\n\u003cli\u003eMeets SAE and MIL-Spec standards for Dash 906 O-ring sizing\u003c\/li\u003e\n\u003cli\u003eSold in a 100-piece package to support shop stock and bulk service needs\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned for use with petroleum-based products and compatible with straight-thread O-Ring Boss tube fittings per SAE and MIL-Spec Dash 906 standards. Not FDA approved; not intended for food-contact applications.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eO-rings should be installed by a qualified technician familiar with the fitting system being serviced. Always depressurize and de-energize the system before replacing seals, and relieve any residual fluid pressure before disassembly. Lightly lubricate the O-ring with a compatible fluid or assembly lubricant before installation to prevent twisting or pinching during makeup. Avoid storing Buna-N O-rings in direct sunlight or near motors and other electrical equipment that may generate ozone, as ozone exposure degrades nitrile rubber.\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: 906\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInside Diameter\u003c\/strong\u003e: 0.468 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutside Diameter\u003c\/strong\u003e: 0.624 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThickness\u003c\/strong\u003e: 0.078 inches (5\/64 inch)\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 Media\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\u003eApplication\u003c\/strong\u003e: O-Ring Boss Gasket for Straight-Thread Tube Fittings\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\u003eWeight\u003c\/strong\u003e: 0.02 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: ZMSCH70906\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"VALUE COLLECTION","offers":[{"title":"Default Title","offer_id":51700932051250,"sku":"ZMSCH70906","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/5459dfe41e1eba6752d3bc4e8e31b37f.jpg?v=1788395480","url":"https:\/\/voomisupply.com\/products\/value-collection-zmsch70906-dash-906-buna-n-o-ring-100-pack","provider":"Voomi Supply","version":"1.0","type":"link"}