{"product_id":"nbr-nitrile-rubber-o-ring-set-740-1200pcs-oil-waterproof-seals","title":"NBR Nitrile O-Ring Set 740\/1200pcs – Oil \u0026 Waterproof Seals","description":"\n\u003ch2\u003eNBR Nitrile Rubber O-Ring Set – 740 \u0026amp; 1200-Piece Assortment\u003c\/h2\u003e\n\u003cp\u003eKeep leaks, drips, and wear at bay with this comprehensive \u003cstrong\u003eNBR (Nitrile Butadiene Rubber) O-Ring Assortment Kit\u003c\/strong\u003e. Whether you're a DIY enthusiast, plumber, mechanic, or engineer, this multi-size set gives you the right seal for virtually any job — from hydraulic fittings and plumbing repairs to automotive maintenance and industrial machinery.\u003c\/p\u003e\n\n\u003ch3\u003eWhy Choose Nitrile (NBR) O-Rings?\u003c\/h3\u003e\n\u003cp\u003eNBR rubber is the gold standard for sealing applications that involve oils, fuels, water, and hydraulic fluids. These black O-rings are engineered for:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOil \u0026amp; Fuel Resistance\u003c\/strong\u003e – Maintains integrity when exposed to petroleum-based oils, diesel, and gasoline.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWaterproof Sealing\u003c\/strong\u003e – Creates a reliable watertight barrier in plumbing and hydraulic systems.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWear Resistance\u003c\/strong\u003e – Durable rubber compound resists abrasion and compression set over time.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Temperature Range\u003c\/strong\u003e – Performs reliably across a broad range of operating temperatures.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCE Certified\u003c\/strong\u003e – Meets European safety and quality standards for rubber sealing components.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eKit Highlights\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eTwo Kit Sizes Available:\u003c\/strong\u003e Choose the 740-piece or the 1200-piece assortment to match your needs.\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eMultiple Sizes Included:\u003c\/strong\u003e A wide range of inner and outer diameters means you'll always have the right fit on hand.\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eStandard Flat Gasket Shape:\u003c\/strong\u003e Compatible with a wide variety of standard fittings and connectors.\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003ePremium Rubber Material:\u003c\/strong\u003e 100% brand-new, carefully inspected nitrile rubber — no recycled or substandard materials.\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eOrganized Assortment:\u003c\/strong\u003e Sizes sorted for easy identification and quick selection during repairs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIdeal Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eAutomotive engine, transmission \u0026amp; hydraulic repairs\u003c\/li\u003e\n  \u003cli\u003ePlumbing pipe joints, faucets \u0026amp; water fittings\u003c\/li\u003e\n  \u003cli\u003eAir compressors \u0026amp; pneumatic tools\u003c\/li\u003e\n  \u003cli\u003eIndustrial pumps \u0026amp; hydraulic cylinders\u003c\/li\u003e\n  \u003cli\u003eHome appliances \u0026amp; garden equipment maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNBR (Nitrile Butadiene Rubber)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShape\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFlat Gasket \/ O-Ring\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStandard\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStandard\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCertification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCE\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eXJ38\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePack Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e740-piece or 1200-piece assortment\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003cp\u003e\u003cem\u003eNote: A slight rubber odor when first opening the package is completely normal due to the sealed packaging during storage and transit. Simply clean the O-rings and allow them to air dry naturally — the scent will dissipate quickly.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/100-pack-disposable-nitrile-gloves-latex-free-white-oil-proof\"\u003e100-Pack Disposable Nitrile Gloves – Latex-Free, White, Oil-Proof\u003c\/a\u003e – Perfect companion for hands-on repair work.\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/120ml-heavy-duty-metal-rust-remover-anti-rust-coating-spray\"\u003e120ml Heavy-Duty Metal Rust Remover \u0026amp; Anti-Rust Spray\u003c\/a\u003e – Protect your fittings and metal components from corrosion.\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/22awg-glass-tube-fuse-holder-5x20mm-6x30mm-screw-type-10-pack\"\u003e10-Pack 22AWG Glass Tube Fuse Holder 5x20mm \u0026amp; 6x30mm Screw\u003c\/a\u003e – Keep your electrical repairs complete with essential hardware.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor guidance on safe handling of rubber and chemical-resistant materials in industrial settings, refer to the \u003ca href=\"https:\/\/www.osha.gov\/chemical-hazards\" target=\"_blank\" rel=\"nofollow noopener\"\u003eOSHA Chemical Hazards Resource\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What types of fluids are NBR nitrile rubber O-rings resistant to?\u003c\/h4\u003e\n\u003cp\u003eA: NBR (Nitrile Butadiene Rubber) O-rings are highly resistant to petroleum-based oils, hydraulic fluids, diesel, gasoline, water, and many common industrial fluids. They are not recommended for use with ketones, strong acids, or halogenated hydrocarbons.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What is the difference between the 740-piece and 1200-piece O-ring kits?\u003c\/h4\u003e\n\u003cp\u003eA: The 1200-piece kit includes a larger variety and higher quantity of O-ring sizes, making it ideal for professional mechanics, workshops, or anyone who handles frequent repairs across multiple systems. The 740-piece kit is a great all-in-one solution for home DIY use, plumbing, and general maintenance tasks.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Are these O-rings suitable for high-pressure hydraulic systems?\u003c\/h4\u003e\n\u003cp\u003eA: These standard NBR O-rings are designed for general-purpose sealing applications. While NBR material does perform well in many hydraulic environments, always verify the specific pressure rating and size requirements of your system before installation, and replace O-rings at recommended service intervals.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How do I store unused O-rings to maximize their lifespan?\u003c\/h4\u003e\n\u003cp\u003eA: Store NBR O-rings away from direct sunlight, heat sources, and ozone-generating equipment (such as electric motors). Keep them in a cool, dry environment in their original packaging or a sealed container. Proper storage can significantly extend their service life.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What types of fluids are NBR nitrile rubber O-rings resistant to?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"NBR (Nitrile Butadiene Rubber) O-rings are highly resistant to petroleum-based oils, hydraulic fluids, diesel, gasoline, water, and many common industrial fluids. They are not recommended for use with ketones, strong acids, or halogenated hydrocarbons.\"}}, {\"@type\": \"Question\", \"name\": \"What is the difference between the 740-piece and 1200-piece O-ring kits?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The 1200-piece kit includes a larger variety and higher quantity of O-ring sizes, making it ideal for professional mechanics, workshops, or anyone who handles frequent repairs across multiple systems. The 740-piece kit is a great all-in-one solution for home DIY use, plumbing, and general maintenance tasks.\"}}, {\"@type\": \"Question\", \"name\": \"Are these O-rings suitable for high-pressure hydraulic systems?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"These standard NBR O-rings are designed for general-purpose sealing applications. While NBR material does perform well in many hydraulic environments, always verify the specific pressure rating and size requirements of your system before installation, and replace O-rings at recommended service intervals.\"}}, {\"@type\": \"Question\", \"name\": \"How do I store unused O-rings to maximize their lifespan?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Store NBR O-rings away from direct sunlight, heat sources, and ozone-generating equipment (such as electric motors). Keep them in a cool, dry environment in their original packaging or a sealed container. Proper storage can significantly extend their service life.\"}}]}\u003c\/script\u003e","brand":"Oasis Select","offers":[{"title":"740PCS","offer_id":47710887477353,"sku":"14:94#740PCS","price":16.06,"currency_code":"USD","in_stock":true},{"title":"1200PCS","offer_id":47710887510121,"sku":"14:366#1200PCS","price":18.26,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/7931\/3257\/files\/S6b33c8b43c6c429495561dd3b9a8df41W.webp?v=1782062537","url":"https:\/\/oasis-select.com\/products\/nbr-nitrile-rubber-o-ring-set-740-1200pcs-oil-waterproof-seals","provider":"Oasis Select","version":"1.0","type":"link"}