{"product_id":"mr-o-ring-330-viton-o-ring-90a-2-1-8in-id-2-1-2in-od-pack-of-25","title":"Mr O-Ring 330 Viton O-Ring 90A 2-1\/8in ID 2-1\/2in OD Pack of 25","description":"\u003cp\u003eIn this review the Mr O-Ring 330 Viton O-Ring (90A) is evaluated for workshop and industrial users who need reliable sealing across fuels, oils and high temperatures. The bottom line: this pack of 25 o-rings is best for maintenance technicians, hydraulic and fuel system repair professionals, and hobbyists who value high-temperature and chemical resistance. The reviewer found the Viton compound and the tight dimensional tolerance make these o-rings a dependable replacement part when working with petroleum products, biodiesel blends, silicone oils or hot air applications.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e The Viton (FKM) compound offers broad chemical resistance, so seals hold up against fuels, mineral oils and many organic solvents.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurometer:\u003c\/strong\u003e The 90A hardness provides a firm sealing surface that resists extrusion and maintains shape under compression.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature range:\u003c\/strong\u003e Rated from -26C to 232C (-15F to 450F), it performs in both cold startup and very high temperature service.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize accuracy:\u003c\/strong\u003e Nominal and actual dimensions are listed so installers can match the 2-1\/8in ID and 2-1\/2in OD ring precisely for AS568 size applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack quantity:\u003c\/strong\u003e Supplied as a pack of 25, making it convenient for service kits, routine maintenance or multiple installations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShelf life:\u003c\/strong\u003e Effectively unlimited shelf-life lets shops stock spares without concern for accelerated degradation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis product is aimed at professionals and advanced DIYers who need a small-batch supply of a high-performance o-ring for seals exposed to fuels, hydraulic fluids, silicone oils or high temperatures. The chemical compatibility and wide temperature range make it suitable for fuel systems, pumps, high vacuum setups and outdoor equipment exposed to ozone and weather.\u003c\/p\u003e\n\u003cp\u003eThose who should look elsewhere include users who require a softer compound for low-pressure static seals or food-grade elastomers; Viton is not formulated for food contact and its 90A hardness is firmer than elastomers designed for cushioning or very low-pressure sealing.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eExcellent chemical and high-temperature resistance from the Viton (FKM) formulation.\u003c\/li\u003e\n\u003cli\u003eAccurate actual dimensions provided (2.100in ID, 2.520in OD, 0.210in CS) for confident replacements.\u003c\/li\u003e\n\u003cli\u003ePack of 25 offers value for maintenance and multiple repairs.\u003c\/li\u003e\n\u003cli\u003eUnlimited shelf-life reduces waste and inventory turnover concerns.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e90A hardness is relatively firm, so it may not seal as well in some low-pressure or delicate flange applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eMr O-Ring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eViton (FKM)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDurometer\u003c\/td\u003e\n\u003ctd\u003e90A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Dimensions\u003c\/td\u003e\n\u003ctd\u003e2-1\/8in ID, 2-1\/2in OD, 3\/16in CS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eActual Dimensions\u003c\/td\u003e\n\u003ctd\u003e2.100in ID, 2.520in OD, 0.210in CS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e-26C (-15F) to 232C (450F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePack Quantity\u003c\/td\u003e\n\u003ctd\u003e25\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe Mr O-Ring 330 Viton O-Ring (90A) is a practical and cost-effective choice for technicians and shops that require durable, chemically resistant seals. With precise dimensions, a wide temperature window and a 25-piece pack, it delivers dependable performance for fuel, oil and high-temperature sealing tasks and represents good value for routine maintenance inventories.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eAre these o-rings compatible with diesel and biodiesel blends?\u003c\/strong\u003e\u003cbr\u003eYes, Viton is formulated to perform well with diesel and biodiesel blends as well as many petroleum products.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan these o-rings be used at high temperatures?\u003c\/strong\u003e\u003cbr\u003eYes, they are rated to 232C (450F), making them suitable for many high-temperature sealing applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo these meet standard size specifications?\u003c\/strong\u003e\u003cbr\u003eYes, they are manufactured to match AS568 size standards and actual measurements are provided for verification.\u003c\/p\u003e","brand":"Mr O-Ring","offers":[{"title":"Default Title","offer_id":48744303100123,"sku":"B07R542HKP","price":61.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/51Kuv29LevL._SL1000_ac5d8e89-628c-4c92-b6f5-289b8b3fb636.jpg?v=1778960560","url":"https:\/\/gearmusthave.com\/products\/mr-o-ring-330-viton-o-ring-90a-2-1-8in-id-2-1-2in-od-pack-of-25","provider":"GearMustHave","version":"1.0","type":"link"}