{"product_id":"mr-o-ring-334-viton-o-ring-90a-durometer-2-5-8-in-id-pack-of-10","title":"Mr O-Ring 334 Viton O-Ring 90A Durometer, 2-5\/8 in ID Pack of 10","description":"\u003cp\u003eIn this review the Mr O-Ring 334 Viton O-Ring (90A) is evaluated for technicians, hobbyists, and maintenance pros who need a small supply of high-temperature, fuel-resistant seals. The bottom line: these o-rings deliver consistent sizing and excellent chemical and heat resistance, making them a reliable choice where Viton performance is required. The pack of 10 simplifies repeat repairs while the nominal and actual dimensions show the manufacturer pays attention to fit, so installers can expect predictable sealing in demanding petroleum, fuel, hydraulic and high temperature applications.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Made from Viton (FKM) which provides outstanding resistance to fuel, oils and many solvents, reducing seal failures in chemical environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardness:\u003c\/strong\u003e The 90A durometer offers a firm seal that resists extrusion and maintains shape under compression for durable service life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature range:\u003c\/strong\u003e Rated from -26C to 232C (-15F to 450F) so the o-ring works across a wide span of low to very high temperature applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack size:\u003c\/strong\u003e Supplied in a pack of 10 which is convenient for maintenance tasks and small projects without buying large bulk quantities.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize accuracy:\u003c\/strong\u003e Nominal and actual dimensions are provided (2-5\/8 in nominal vs 2.600 in actual ID), helping confirm fitment for assemblies that require tight tolerances.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandards:\u003c\/strong\u003e Designed to meet AS568 size definitions so it integrates with common hardware that references standard o-ring sizes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThese o-rings suit maintenance technicians, mechanics, and fabricators who work with fuels, oils, hydraulic fluids, or exposed high-temperature air systems and need a compact quantity for repairs. The chemical resistance of Viton makes them particularly useful for diesel, biodiesel blends, methanol or ethanol blends, and mineral oil systems.\u003c\/p\u003e\n\u003cp\u003eThey are less appropriate for applications requiring very soft seals (lower durometer) or where nonfluorocarbon materials are specified for compatibility with particular elastomers; users needing different hardness or materials should look for alternative rubber compounds.\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\u003eHigh chemical and temperature resistance from the Viton material reduces downtime from seal degradation.\u003c\/li\u003e\n\u003cli\u003e90A durometer delivers a firm, durable seal suitable for pressure and mechanical stress.\u003c\/li\u003e\n\u003cli\u003eActual and metric dimensions are listed, improving confidence when matching to grooves or housings.\u003c\/li\u003e\n\u003cli\u003ePack of 10 covers multiple repairs without excess inventory.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHigher durometer means the o-ring is firmer and may not seal as readily in very low compression groove designs.\u003c\/li\u003e\n\u003cli\u003eViton is a specialty rubber and may be overkill or more costly where general-purpose elastomers would suffice.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\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\u003e2-5\/8 in ID, 3.000 in OD, 3\/16 in CS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eActual dimensions\u003c\/td\u003e\n\u003ctd\u003e2.600 in ID, 3.020 in OD, 0.210 in CS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMetric dimensions\u003c\/td\u003e\n\u003ctd\u003e66.04 mm ID, 76.70 mm OD, 5.33 mm 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\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe Mr O-Ring 334 Viton 90A in a pack of 10 is a solid choice for professionals who need reliable, high-temperature and fuel-resistant seals in a standard AS568 size. Its measured dimensions and robust chemical resistance make it good value for repair kits and maintenance tasks where longevity and predictable fit matter.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eAre these o-rings compatible with fuels and biodiesel?\u003c\/strong\u003e\u003cbr\u003eYes, Viton (FKM) is formulated to perform well with petroleum, gasoline blends, diesel and biodiesel, and many organic solvents.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat temperature range will they handle?\u003c\/strong\u003e\u003cbr\u003eThey are rated from -26C (-15F) up to 232C (450F), suitable for many high-temperature sealing uses.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo the sizes follow standard dimensions?\u003c\/strong\u003e\u003cbr\u003eYes, the product lists nominal and actual dimensions and is made to match AS568 size standards for interchangeability.\u003c\/p\u003e","brand":"Mr O-Ring","offers":[{"title":"Default Title","offer_id":48237488963803,"sku":"B07R75BF8C","price":40.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/51Kuv29LevL._SL1000_be391d56-73a3-47e4-8f64-54c854f1cc15.jpg?v=1770903857","url":"https:\/\/gearmusthave.com\/products\/mr-o-ring-334-viton-o-ring-90a-durometer-2-5-8-in-id-pack-of-10","provider":"GearMustHave","version":"1.0","type":"link"}