{"product_id":"mr-o-ring-011-viton-o-ring-90a-durometer-5-16in-id-pack-of-1000","title":"Mr O-Ring 011 Viton O-Ring 90A Durometer 5\/16in ID - Pack of 1000","description":"\u003cp\u003eIn this review the Mr O-Ring 011 Viton O-Ring is evaluated for mechanics, technicians and maintenance buyers who need a durable, high-temperature seal in quantity. The bottom line: this pack of 1000 90A durometer Viton o-rings is best for applications exposed to fuels, oils, high heat or ozone where chemical resistance matters, and its wide temperature range and Viton compound make it a reliable, long-lasting choice for routine rebuilds and production spares.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Viton (fluorocarbon FKM) offers strong resistance to fuels, mineral oils and many organic solvents, reducing seal failure in chemically aggressive fluids.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurometer:\u003c\/strong\u003e 90A hardness provides a firm seal that resists extrusion and maintains shape across a broad service range.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature range:\u003c\/strong\u003e Rated from -26C to 232C (-15F to 450F), allowing use in high temperature engines and hot process lines without rapid degradation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e Pack of 1000 supplies workshops and production runs, cutting downtime by keeping common sizes on hand.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e Nominal 5\/16in ID, 7\/16in OD, 1\/16in CS with actual measured dimensions for tighter tolerance planning.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandards:\u003c\/strong\u003e Sized to the AS568 standard, making it easy to replace common specification o-rings in industrial and OEM equipment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis product is aimed at maintenance technicians, small manufacturers and hobbyists who service engines, pumps, or fittings exposed to petroleum, diesel, biodiesel blends, methanol or ethanol blends, and many hydraulic fluids. The bulk pack is practical for shops that consume large volumes of a common AS568 size and need a compound that endures heat and chemical exposure.\u003c\/p\u003e\n\u003cp\u003eThose who should look elsewhere include users needing very soft, low-durometer seals for low-pressure sealing or extreme low-temperature flexibility, and customers seeking non-Viton elastomers specifically rated for steam or specific food-grade approvals not claimed here.\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 resistance to fuels, oils and many solvents, extending service life in aggressive fluids.\u003c\/li\u003e\n\u003cli\u003eHigh temperature capability up to 232C (450F) suits demanding thermal environments.\u003c\/li\u003e\n\u003cli\u003eBulk pack of 1000 ensures ready supply for workshops and saves on frequent reordering.\u003c\/li\u003e\n\u003cli\u003eAS568 sizing and known actual dimensions make replacements predictable and less likely to leak from fit errors.\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 (90A) may be too stiff for applications needing very soft sealing or very low-temperature flexibility.\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\u003e5\/16in ID x 7\/16in OD x 1\/16in CS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eActual dimensions\u003c\/td\u003e\n\u003ctd\u003e0.301in ID x 0.441in OD x 0.070in 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\u003e1000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe Mr O-Ring 011 Viton 90A in a 1000-piece pack is a solid choice for shops and manufacturers that need a chemically resistant, high-temperature AS568 o-ring in volume. It delivers dependable sealing performance where petroleum, biodiesel blends and high heat are present, and the bulk pack offers practical value for routine maintenance and production spares.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eAre these o-rings suitable for gasoline and diesel fuel?\u003c\/strong\u003e\u003cbr\u003eYes, Viton FKM is formulated to resist petroleum products including gasoline, diesel and many fuel blends, making these o-rings suitable for fuel system seals.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill the 90A hardness work for high temperature engine seals?\u003c\/strong\u003e\u003cbr\u003eYes, the 90A durometer combined with a rated temperature up to 232C (450F) makes them appropriate for many high temperature engine and equipment sealing points.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo these o-rings meet a standard size?\u003c\/strong\u003e\u003cbr\u003eThey follow AS568 size conventions with nominal and actual dimensions provided for reliable replacement sizing.\u003c\/p\u003e","brand":"Mr O-Ring","offers":[{"title":"Default Title","offer_id":48751553118427,"sku":"B07R5ZF8DD","price":68.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/51Kuv29LevL._SL1000_8ceeaffb-a58a-4b76-b635-e263bdc2090a.jpg?v=1778835144","url":"https:\/\/gearmusthave.com\/products\/mr-o-ring-011-viton-o-ring-90a-durometer-5-16in-id-pack-of-1000","provider":"GearMustHave","version":"1.0","type":"link"}