{"product_id":"nbr-rubber-o-rings-cs-3-55mm-id-63-73mm-industrial-seal-gaskets-10-pack","title":"10-Pack NBR Rubber O-Rings CS 3.55mm ID 63–73mm Seal Gaskets","description":"\n\u003ch2\u003e10-Pack NBR Rubber O-Rings – Reliable Industrial Sealing Gaskets\u003c\/h2\u003e\n\u003cp\u003eKeep your plumbing, hydraulic, pneumatic, and mechanical systems leak-free with these heavy-duty \u003cstrong\u003eNBR (Nitrile Butadiene Rubber) O-Rings\u003c\/strong\u003e. Each pack contains \u003cstrong\u003e10 precision-formed ring gaskets\u003c\/strong\u003e with a cross-section of \u003cstrong\u003e3.55mm\u003c\/strong\u003e and inner diameter options ranging from \u003cstrong\u003e63mm to 73mm\u003c\/strong\u003e. Made from standard-grade NBR material, these o-rings deliver excellent resistance to oils, fuels, and common industrial fluids — making them a dependable choice for a wide range of sealing applications.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e High-quality NBR (Nitrile Butadiene Rubber) for superior oil and fuel resistance\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCross-Section (CS):\u003c\/strong\u003e 3.55mm — standard industrial thickness for a consistent, tight seal\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInner Diameter (ID) Options:\u003c\/strong\u003e 63 \/ 65 \/ 67 \/ 67.5 \/ 69 \/ 71 \/ 73mm — choose the size that fits your application\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePack Quantity:\u003c\/strong\u003e 10 pieces per lot — great value for maintenance, repair, and industrial use\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShape:\u003c\/strong\u003e Standard ring gasket — compatible with most standard groove specifications\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCertification:\u003c\/strong\u003e Standard-grade, industry-compatible dimensions\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e Hydraulic systems, pneumatic equipment, pumps, valves, plumbing fittings, and general mechanical assemblies\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy Choose NBR O-Rings?\u003c\/h3\u003e\n\u003cp\u003eNBR is one of the most widely used elastomers in industrial sealing. Its outstanding resistance to petroleum-based oils, mineral fluids, and many solvents makes it the go-to material for dynamic and static sealing applications. These gaskets maintain their form under compression, helping to prevent leaks and ensuring long-lasting performance in demanding environments.\u003c\/p\u003e\n\n\u003ch3\u003eSpecifications at a Glance\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNBR Rubber\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCross-Section (CS)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3.55mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInner Diameter (ID)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e63 \/ 65 \/ 67 \/ 67.5 \/ 69 \/ 71 \/ 73mm (select your size)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10 pieces per pack\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShape\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRing Gasket\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\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eYou May Also Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/stainless-steel-self-tapping-screws-m2-2-m4-8-phillips-wood-hinge\"\u003e10PCS Stainless Steel Self-Tapping Screws M2.2–M4.8 Phillips\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/10pcs-durable-gold-blade-nut-metal-universal-trimmer-accessories-anti-loosening-line-left-hand-thread-replacement-parts-1\"\u003e10pcs Durable Gold Blade Nut Metal Universal Trimmer Accessories\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/10pcs-2-pin-quick-splice-spring-wire-connectors-lock-terminals\"\u003e10pcs 2-Pin Spring Wire Connectors – Quick Splice Lock Terminals\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/hand-power-tools\" target=\"_blank\" rel=\"noopener\"\u003eOSHA guidance on hand and power tools\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What sizes are available in this NBR O-Ring pack?\u003c\/h4\u003e\n\u003cp\u003eA: This listing offers inner diameter options of 63mm, 65mm, 67mm, 67.5mm, 69mm, 71mm, and 73mm — all with a 3.55mm cross-section. Please select the appropriate ID size for your specific application when ordering.\u003c\/p\u003e\n\u003ch4\u003eQ: What types of fluids are these NBR O-Rings compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: NBR (Nitrile Butadiene Rubber) o-rings are highly compatible with petroleum-based oils, mineral hydraulic fluids, fuels, and many common industrial solvents. They are widely used in hydraulic systems, pneumatic equipment, pumps, and plumbing assemblies.\u003c\/p\u003e\n\u003ch4\u003eQ: How many o-rings are included per pack?\u003c\/h4\u003e\n\u003cp\u003eA: Each pack includes \u003cstrong\u003e10 pieces\u003c\/strong\u003e, making it ideal for maintenance stock, repair jobs, or industrial use where multiple seals may be needed at once.\u003c\/p\u003e\n\u003ch4\u003eQ: Are these o-rings suitable for both static and dynamic sealing applications?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. These standard NBR rubber o-rings are designed for use in both static (stationary) and dynamic (moving) sealing applications, provided the operating conditions fall within the typical performance range for NBR material.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What sizes are available in this NBR O-Ring pack?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This listing offers inner diameter options of 63mm, 65mm, 67mm, 67.5mm, 69mm, 71mm, and 73mm — all with a 3.55mm cross-section. 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