{"product_id":"mr-o-ring-467-viton-o-ring-90a-durometer-19-in-id-durable-seal","title":"Mr O-Ring 467 Viton O-Ring 90A Durometer 19 in ID - Durable Seal","description":"\u003cp\u003eIn this review the Mr O-Ring 467 Viton O-Ring is assessed for technicians and hobbyists who need a reliable, high-temperature sealing solution. The bottom line: this single-pack Viton o-ring delivers broad chemical resistance and a high 90A durometer that hold shape under pressure and heat, making it a practical choice where durability and compatibility with fuels, oils and solvents matter. The review focuses on build, materials and where this AS568-size equivalent performs best in real installations.\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), it offers excellent resistance to high temperature, ozone, weather and many organic solvents.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardness:\u003c\/strong\u003e The 90A durometer provides a firmer seal that resists extrusion and shape change under compression.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature range:\u003c\/strong\u003e Rated from -26C to 232C (-15F to 450F), it is useful in both cold starts and very high temperature applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChemical compatibility:\u003c\/strong\u003e Performs well with petroleum products, fuels (including methanol or ethanol blends), diesel and biodiesel blends, mineral and silicone oils and greases.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize accuracy:\u003c\/strong\u003e Nominal and actual dimensions (19 in ID nominal; actual 18.955 in ID) match AS568 size expectations for reliable fit in standard grooves.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShelf life:\u003c\/strong\u003e Effectively unlimited shelf-life simplifies inventory for maintenance shops and spare parts bins.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis Viton o-ring is best for maintenance technicians, hydraulic and pneumatic installers, and anyone replacing seals exposed to fuels, oils or high temperatures. Its 90A hardness and broad chemical resistance suit pumps, valves and engine-related seals where a firmer compound is preferred.\u003c\/p\u003e\n\u003cp\u003eThose who should look elsewhere include applications needing very soft, low-compression seals or food-grade elastomers; for low-pressure static seals where a softer durometer is required, a different compound or hardness would be a better match.\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 high-temperature resistance up to 232C, suitable for hot environments.\u003c\/li\u003e\n\u003cli\u003eBroad chemical compatibility with fuels, oils and many solvents, reducing the risk of swelling or degradation.\u003c\/li\u003e\n\u003cli\u003eAccurate dimensions (actual and nominal listed) that fit AS568 sizing for predictable installation.\u003c\/li\u003e\n\u003cli\u003eDurable 90A hardness resists extrusion and maintains sealing force under compression.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAt 90A the o-ring is relatively firm, which may not seal as well in low-compression or delicate flange applications.\u003c\/li\u003e\n\u003cli\u003eOnly provided as a single pack here, so shops needing bulk spares will need multiple purchases.\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), 90A durometer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal dimensions\u003c\/td\u003e\n\u003ctd\u003e19 in ID, 19-1\/2 in OD, 1\/4 in CS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eActual dimensions\u003c\/td\u003e\n\u003ctd\u003e18.955 in ID, 19.505 in OD, 0.275 in CS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMetric dimensions\u003c\/td\u003e\n\u003ctd\u003e481.46 mm ID, 495.44 mm OD, 6.99 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\u003ctr\u003e\n\u003ctd\u003ePack size\u003c\/td\u003e\n\u003ctd\u003ePack of 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe Mr O-Ring 467 in 90A Viton is a solid choice for professionals who need a durable, chemically resistant seal for fuel, oil and high-temperature service. Its accurate sizing and unlimited shelf-life make it good value for maintenance shops and one-off repairs, but buyers requiring softer sealing compounds or bulk quantities should consider other options.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eIs this o-ring suitable for fuel systems?\u003c\/strong\u003e\u003cbr\u003eYes. The Viton formulation is compatible with petroleum fuels and blends with methanol, ethanol and biodiesel as indicated.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill it handle high temperatures?\u003c\/strong\u003e\u003cbr\u003eYes. The o-ring is rated to 232C (450F) and performs well in very high temperature air and engine environments.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the pack include multiple rings?\u003c\/strong\u003e\u003cbr\u003eNo. This listing is for a single o-ring (pack of 1), so purchase quantities accordingly.\u003c\/p\u003e","brand":"Mr O-Ring","offers":[{"title":"Default Title","offer_id":48237367754971,"sku":"B07R543BWV","price":80.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/51Kuv29LevL._SL1000_5a0ff04a-40de-4528-94ae-48d798f08caf.jpg?v=1770807531","url":"https:\/\/gearmusthave.com\/products\/mr-o-ring-467-viton-o-ring-90a-durometer-19-in-id-durable-seal","provider":"GearMustHave","version":"1.0","type":"link"}