{"product_id":"376-viton-o-ring-75a-durometer-9-3-4-in-id-pack-of-10","title":"376 Viton O-Ring 75A Durometer, 9-3\/4 in ID - Pack of 10","description":"\u003cp\u003eIn this review the 376 Viton O-ring is judged as a practical seal choice for technicians, hobbyists, and maintenance crews who need heat and chemical resistance in a common size. The bottom line is that this pack of 10 rings delivers dependable sealing performance where compatibility with fuels, oils, and many solvents is required. Reviewers found the rings fit common applications cleanly and hold up under elevated temperatures, making them a sensible replacement part when serviceability and resistance to fuels or aromatic hydrocarbons matter.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Made of Viton fluorocarbon elastomer, the material provides strong resistance to heat, fuels, and many chemicals for longer service life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature range:\u003c\/strong\u003e Rated for -15 degrees F to 400 degrees F, it handles high-heat environments such as engine compartments and heated process lines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCross-section:\u003c\/strong\u003e The round profile creates a reliable seal between cylindrical overlapping surfaces, reducing the chance of leaks when installed correctly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurometer:\u003c\/strong\u003e At 75A hardness the rings resist penetration and deformation while remaining flexible enough for common static and low-dynamic sealing uses.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandards:\u003c\/strong\u003e Manufactured to meet the AS568A sizing standard so the ID, OD, and cross-section match common replacement needs.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThis product is best for industrial maintenance teams, firearms and suppressor owners using compatible sizes, and anyone replacing O-rings on fuel bottles, hydraulic fittings, or equipment exposed to fuels and aromatic or aliphatic hydrocarbons. The pack of 10 gives technicians spare parts on hand for routine service.\u003c\/p\u003e\u003cp\u003eThose who need compatibility with alkalis, ammonia gas, or glycol-based brake fluids should look for a different elastomer, since Viton has known vulnerabilities to those specific chemistries. Also, for very low-temperature elasticity below the stated range, a different compound would be preferable.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eGood chemical and fuel resistance for long-term exposure to oils and hydrocarbons.\u003c\/li\u003e\n\u003cli\u003eWide usable temperature range that covers many engine and process environments.\u003c\/li\u003e\n\u003cli\u003eConsistent sizing and compliance with AS568A make replacements simple and reliable.\u003c\/li\u003e\n\u003cli\u003ePack of 10 offers value and ready spares for maintenance tasks.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eNot suitable for exposure to low molecular organic acids, ammonia gas, or glycol-based brake fluids.\u003c\/li\u003e\n\u003cli\u003e75A hardness is less ideal for ultra-low temperature flexibility or high-dynamic shaft seals.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\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\u003eColor\u003c\/td\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize (ID)\u003c\/td\u003e\n\u003ctd\u003e9-3\/4 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize (OD)\u003c\/td\u003e\n\u003ctd\u003e10-1\/8 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCross-section (width)\u003c\/td\u003e\n\u003ctd\u003e3\/16 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDurometer\u003c\/td\u003e\n\u003ctd\u003e75A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature range\u003c\/td\u003e\n\u003ctd\u003e-15 degrees F to 400 degrees F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe 376 Viton O-ring pack is a strong, practical choice for repairs and replacements where fuel, heat, and many solvents are present. It offers dependable sealing in a common size, good value in a pack of 10, and reliable compatibility for most hydraulic and fuel-related uses, though users should choose a different material for alkali or ammonia exposure.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eWill these O-rings work with gasoline and diesel?\u003c\/strong\u003e\u003cbr\u003eYes; Viton is compatible with many fuels and aromatic hydrocarbons, making these suitable for gasoline and diesel applications where size matches.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAre these rings good for high-temperature use?\u003c\/strong\u003e\u003cbr\u003eYes; they are rated to 400 degrees F and hold up well in elevated temperature service within that range.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan I use them with brake fluid or ammonia?\u003c\/strong\u003e\u003cbr\u003eNo; Viton is vulnerable to glycol-based brake fluids and ammonia, so choose a different elastomer for those fluids.\u003c\/p\u003e","brand":"Mr O-Ring","offers":[{"title":"Default Title","offer_id":48653545898203,"sku":"B000FOLPYQ","price":112.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/81iyYJCP7YL._SL1500_04f345f7-7208-4aa7-a0f2-98886efbf254.jpg?v=1778743041","url":"https:\/\/gearmusthave.com\/products\/376-viton-o-ring-75a-durometer-9-3-4-in-id-pack-of-10","provider":"GearMustHave","version":"1.0","type":"link"}