{"product_id":"10pcs-nbr-nitrile-rubber-o-ring-seals-cs5mm-od55-100mm-gaskets","title":"10PCS NBR Nitrile O-Ring Seals CS5mm OD 55–100mm Gaskets","description":"\u003ch2\u003e10-Pack NBR Nitrile O-Ring Seals — CS 5mm | OD 55 to 100mm\u003c\/h2\u003e\n\u003cp\u003eKeep your systems leak-free with these heavy-duty \u003cstrong\u003eNitrile (NBR) Rubber O-Rings\u003c\/strong\u003e. Sold in a convenient pack of 10, these precision-standard ring gaskets are built for demanding sealing applications in both industrial and household settings. With a 5mm cross-section and outside diameters ranging from 55mm to 100mm, you'll always have the right size on hand.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eMade in Mainland China.\u003c\/strong\u003e\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) — renowned for its excellent resistance to oils, fuels, and chemicals\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCross-Section (CS):\u003c\/strong\u003e 5mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutside Diameter (OD):\u003c\/strong\u003e 55 \/ 60 \/ 65 \/ 70 \/ 75 \/ 80 \/ 85 \/ 90 \/ 95 \/ 100mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInside Diameter (ID):\u003c\/strong\u003e 45 \/ 50 \/ 55 \/ 60 \/ 65 \/ 70 \/ 75 \/ 80 \/ 85 \/ 90mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Black\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShape:\u003c\/strong\u003e Standard Ring Gasket\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 10 pieces per lot\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePerformance Properties\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eOil Resistant\u003c\/strong\u003e — maintains integrity when exposed to hydraulic fluids and oils\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eWear Resistant\u003c\/strong\u003e — durable under repeated mechanical pressure and movement\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eWaterproof\u003c\/strong\u003e — creates a reliable liquid-tight seal\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eTemperature Resistant\u003c\/strong\u003e — performs across a wide operating temperature range\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eStandard Specification\u003c\/strong\u003e — compatible with most standard groove designs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCommon Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eHydraulic and pneumatic systems\u003c\/li\u003e\n  \u003cli\u003eAir conditioning units and HVAC components\u003c\/li\u003e\n  \u003cli\u003ePlumbing fittings and pipe connections\u003c\/li\u003e\n  \u003cli\u003eAutomotive fluid systems\u003c\/li\u003e\n  \u003cli\u003eIndustrial machinery and factory equipment\u003c\/li\u003e\n  \u003cli\u003eGeneral household appliance maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cp\u003eLooking for more sealing or fastening solutions? Check out our \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 or browse our \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 for more workshop essentials.\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/personal-protective-equipment\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on personal protective equipment\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What sizes are included in the 10-piece NBR O-Ring set?\u003c\/h4\u003e\n\u003cp\u003eA: The set covers outside diameters of 55, 60, 65, 70, 75, 80, 85, 90, 95, and 100mm, all with a 5mm cross-section. Inside diameters range from 45mm to 90mm accordingly. Each order contains 10 rings total — one per size or multiples of a single size depending on the variant selected.\u003c\/p\u003e\n\u003ch4\u003eQ: Are these NBR O-Rings suitable for use with oil and hydraulic fluid?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. Nitrile Butadiene Rubber (NBR) is specifically formulated to resist petroleum-based oils, hydraulic fluids, and fuels, making these O-rings an excellent choice for automotive, industrial, and hydraulic sealing applications.\u003c\/p\u003e\n\u003ch4\u003eQ: Can these rubber O-rings be used in air conditioning systems?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. These NBR sealing rings are designed to work as air conditioning rubber washers and gaskets, forming a reliable, airtight seal in HVAC and AC refrigerant line connections.\u003c\/p\u003e\n\u003ch4\u003eQ: What is the difference between OD (outside diameter) and CS (cross-section)?\u003c\/h4\u003e\n\u003cp\u003eA: The OD (outside diameter) refers to the total outer width of the O-ring, while the CS (cross-section) is the thickness of the rubber cord itself — in this case 5mm. Both measurements are essential when matching an O-ring to the correct groove dimensions in your application.\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 included in the 10-piece NBR O-Ring set?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The set covers outside diameters of 55, 60, 65, 70, 75, 80, 85, 90, 95, and 100mm, all with a 5mm cross-section. Inside diameters range from 45mm to 90mm accordingly. Each order contains 10 rings total — one per size or multiples of a single size depending on the variant selected.\"}}, {\"@type\": \"Question\", \"name\": \"Are these NBR O-Rings suitable for use with oil and hydraulic fluid?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. 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Both measurements are essential when matching an O-ring to the correct groove dimensions in your application.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/68k0rh-yt.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/68k0rh-yt.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"10PCS NBR Nitrile O-Ring Seals CS5mm OD 55–100mm Gaskets\", \"item\": \"https:\/\/68k0rh-yt.myshopify.com\/products\/10pcs-nbr-nitrile-rubber-o-ring-seals-cs5mm-od55-100mm-gaskets\"}]}\u003c\/script\u003e","brand":"Richie's","offers":[{"title":"OD75mm","offer_id":57604033577126,"sku":"32916139795-OD75mm","price":14.84,"currency_code":"USD","in_stock":true},{"title":"OD100mm","offer_id":57604033609894,"sku":"32916139795-OD100mm","price":19.35,"currency_code":"USD","in_stock":true},{"title":"OD70mm","offer_id":57604033642662,"sku":"32916139795-OD70mm","price":14.24,"currency_code":"USD","in_stock":true},{"title":"OD65mm","offer_id":57604033675430,"sku":"32916139795-OD65mm","price":13.09,"currency_code":"USD","in_stock":true},{"title":"OD60mm","offer_id":57604033708198,"sku":"32916139795-OD60mm","price":12.61,"currency_code":"USD","in_stock":true},{"title":"OD55mm","offer_id":57604033740966,"sku":"32916139795-OD55mm","price":11.85,"currency_code":"USD","in_stock":true},{"title":"OD95mm","offer_id":57604033773734,"sku":"32916139795-OD95mm","price":17.68,"currency_code":"USD","in_stock":true},{"title":"OD90mm","offer_id":57604033806502,"sku":"32916139795-OD90mm","price":18.27,"currency_code":"USD","in_stock":true},{"title":"OD85mm","offer_id":57604033839270,"sku":"32916139795-OD85mm","price":16.04,"currency_code":"USD","in_stock":true},{"title":"OD80mm","offer_id":57604033872038,"sku":"32916139795-OD80mm","price":15.04,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/2182\/7494\/files\/HTB1BU.JKhWYBuNjy1zkq6xGGpXaa.webp?v=1791722906","url":"https:\/\/richiesmart.com\/products\/10pcs-nbr-nitrile-rubber-o-ring-seals-cs5mm-od55-100mm-gaskets","provider":"Richie's","version":"1.0","type":"link"}