{"product_id":"464-viton-o-ring-75a-durometer-17-1-2-in-id-18-in-od-pack-of-5","title":"464 Viton O-Ring 75A Durometer 17-1\/2 in ID 18 in OD - Pack of 5","description":"\u003cp\u003eIn this review the 464 Viton O-ring pack is evaluated as a practical choice for users who need heat- and chemical-resistant seals. The bottom line: it is best for mechanics, hobbyists, and field technicians who require a reliable replacement O-ring for fuel systems, hydraulic fittings, or firearm and suppressor maintenance, because its \u003cstrong\u003eViton construction\u003c\/strong\u003e and broad temperature range deliver durability and chemical compatibility where standard elastomers fail.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eViton material:\u003c\/strong\u003e Provides strong resistance to fuels, aromatic and aliphatic hydrocarbons, silicone oil, and many chemicals, extending service life in harsh environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide temperature range:\u003c\/strong\u003e Rated from -15 degrees F to 400 degrees F, making it suitable for hot engine compartments and cold-weather storage without rapid degradation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e75A durometer:\u003c\/strong\u003e The shore hardness balances compression resistance and flexibility to maintain a reliable seal under pressure and repeated assembly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRound cross-section:\u003c\/strong\u003e Designed to seal between overlapping cylindrical surfaces for common plumbing, hydraulic, and fuel system applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAS568A dimensional standard:\u003c\/strong\u003e Ensures consistent sizing and interchangeability for repairs that call for standard O-ring profiles.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThis pack is aimed at maintenance professionals, firearms and suppressor owners, and anyone replacing seals in fuel pumps, MSA bottles, or hydraulic fittings who needs a material with proven heat and chemical resistance. The pack of five makes it convenient for multiple repairs or keeping spares on hand.\u003c\/p\u003e\u003cp\u003eThose who need resistance to strong alkalis, ammonia, certain amines, or glycol-based brake fluids should look elsewhere, since Viton is vulnerable to some low molecular weight organic acids, alkalis, and super-heated steam. For general purpose household sealing where such exposures are unlikely, a less expensive elastomer might suffice.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eExcellent chemical and fuel resistance for demanding applications.\u003c\/li\u003e\n\u003cli\u003eHigh temperature capability up to 400 degrees F for engine and industrial use.\u003c\/li\u003e\n\u003cli\u003eConsistent sizing to AS568A standards makes replacement straightforward.\u003c\/li\u003e\n\u003cli\u003eGood value as a pack of five for multiple repairs or backup spares.\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 alkalis, ammonia, certain amines, glycol-based brake fluids, or super-heated steam.\u003c\/li\u003e\n\u003cli\u003eHigher material cost than generic elastomers, which may be unnecessary for low-stress household uses.\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\u003eDurometer\u003c\/td\u003e\n\u003ctd\u003e75A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInner Diameter\u003c\/td\u003e\n\u003ctd\u003e17-1\/2 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOuter Diameter\u003c\/td\u003e\n\u003ctd\u003e18 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCross-section width\u003c\/td\u003e\n\u003ctd\u003e1\/4 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuantity\u003c\/td\u003e\n\u003ctd\u003ePack of 5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe 464 Viton O-ring pack is a solid, cost-effective choice for technicians and hobbyists who need durable seals that resist fuels, oils, and high temperatures. It is especially useful where AS568A sizing is required; however, users working with strong alkalis or steam should choose a different material. For most fuel and hydraulic repair tasks, it represents good value and reliable performance.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eCan this O-ring handle fuel exposure?\u003c\/strong\u003e\u003cbr\u003eYes; Viton is compatible with fuels, aromatic and aliphatic hydrocarbons, and many common oils.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat temperature range is safe for this O-ring?\u003c\/strong\u003e\u003cbr\u003eThe specified service range is -15 degrees F to 400 degrees F.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWill it fit standard AS568 sizes?\u003c\/strong\u003e\u003cbr\u003eYes; the product meets AS568A dimensional standards for interchangeability.\u003c\/p\u003e","brand":"Mr O-Ring","offers":[{"title":"Default Title","offer_id":48263626031323,"sku":"B000FONNKA","price":180.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/81iyYJCP7YL._SL1500_e3aad454-f333-4d30-9d5f-1cd6abba0968.jpg?v=1778331912","url":"https:\/\/gearmusthave.com\/products\/464-viton-o-ring-75a-durometer-17-1-2-in-id-18-in-od-pack-of-5","provider":"GearMustHave","version":"1.0","type":"link"}