{"product_id":"m2x52-viton-o-ring-75a-durometer-52-mm-id-durable-seal","title":"M2x52 Viton O-Ring 75A Durometer, 52 mm ID - Durable Seal","description":"\u003cp\u003eIn this review the M2x52 Viton O-Ring is evaluated for workshop and repair use where chemical and temperature resistance matter. The bottom line: this pack of 50 metric Viton O-rings is best for technicians and hobbyists who need a reliable seal that tolerates fuels and many solvents, and whose projects require a predictable hardness. The reviewer found the O-ring's \u003cstrong\u003e75A durometer\u003c\/strong\u003e and Viton compound give a consistent, snug fit for cylindrical seals and threaded barrel protection without being so stiff it becomes difficult to install.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eViton compound:\u003c\/strong\u003e Provides resistance to fuels, aromatic and aliphatic hydrocarbons, and many common chemicals used in mechanical systems, reducing premature failure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e75A durometer:\u003c\/strong\u003e Balances elasticity and firmness so the ring seals reliably under compression while remaining easy to fit onto shafts or threads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMetric sizing:\u003c\/strong\u003e The 52 mm inside diameter and 56 mm outside diameter make it suitable for standard metric cylindrical interfaces that need a 2 mm cross-section O-ring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide temperature range:\u003c\/strong\u003e Rated for use across a broad span of operating temperatures, so it works in both cold-start and high-heat environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack quantity:\u003c\/strong\u003e Supplied as a pack of 50, which lowers the per-piece cost for frequent maintenance or multiple installations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis O-ring is ideal for maintenance technicians, small engine mechanics, and DIYers who work with non-flammable hydraulic fluids, silicone oils, and common hydrocarbons. Its compatibility with fuel and many solvents means it fits applications like threaded barrel protection, carburetor seat sealing, and general-purpose sealing where chemical exposure is expected.\u003c\/p\u003e\n\u003cp\u003eThose who should look elsewhere include users who need compatibility with strong alkalis, ammonia gas, glycol-based brake fluids, or super-heated steam, since Viton is vulnerable to those media. Also, projects requiring an extremely soft or extremely hard elastomer would be better served by a different durometer than the \u003cstrong\u003e75A\u003c\/strong\u003e offered 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\u003eGood chemical and fuel resistance for many industrial and automotive fluids.\u003c\/li\u003e\n\u003cli\u003eConsistent \u003cstrong\u003e75A hardness\u003c\/strong\u003e gives predictable sealing and easy installation on threads and shafts.\u003c\/li\u003e\n\u003cli\u003ePack of 50 provides value for repair shops and repeat maintenance tasks.\u003c\/li\u003e\n\u003cli\u003eWorks effectively at both low and high operating temperatures within its rated range.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNot suitable for exposure to ammonia, strong alkalis, or glycol-based brake fluids, which limits use in some specialty environments.\u003c\/li\u003e\n\u003cli\u003eViton is generally more costly than common elastomers, so it may be overkill for low-stress or disposable applications.\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 (fluorocarbon elastomer)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDurometer (hardness)\u003c\/td\u003e\n\u003ctd\u003e75A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCross-section\u003c\/td\u003e\n\u003ctd\u003eRound, 2 mm width\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInside diameter (ID)\u003c\/td\u003e\n\u003ctd\u003e52 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutside diameter (OD)\u003c\/td\u003e\n\u003ctd\u003e56 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature range\u003c\/td\u003e\n\u003ctd\u003e-15 degrees F (-26 degrees C) to 400 degrees F (205 degrees C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePack quantity\u003c\/td\u003e\n\u003ctd\u003e50 pieces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe M2x52 Viton O-Ring is a practical choice for anyone needing a durable, chemically resistant seal in metric sizes. It delivers reliable performance and good value when used with compatible fuels and solvents, making it recommended for repair shops and informed DIYers who want consistent \u003cstrong\u003eseal quality\u003c\/strong\u003e across multiple installations.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eIs this O-ring compatible with gasoline and hydraulic oil?\u003c\/strong\u003e\u003cbr\u003eYes, Viton is resistant to many fuels and non-flammable hydraulic fluids listed as compatible in the product description.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill it work at very low temperatures?\u003c\/strong\u003e\u003cbr\u003eIt is usable down to about -15 degrees F (-26 degrees C), so it is suitable for most cold-weather service but not for extreme cryogenic conditions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan it be used with brake fluid?\u003c\/strong\u003e\u003cbr\u003eNo, Viton is vulnerable to glycol-based brake fluids and should not be used where those fluids are present.\u003c\/p\u003e","brand":"Mr O-Ring","offers":[{"title":"Default Title","offer_id":48233904963803,"sku":"B00NR0L3XS","price":85.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/611g_BwDJoL._SL1500_a2aa159e-4b3a-4f44-8b1c-aa964457ae47.jpg?v=1770915114","url":"https:\/\/gearmusthave.com\/products\/m2x52-viton-o-ring-75a-durometer-52-mm-id-durable-seal","provider":"GearMustHave","version":"1.0","type":"link"}