{"product_id":"m1-5x23-viton-o-ring-75a-durometer-100-pack-durable-seal","title":"M1.5x23 Viton O-Ring 75A Durometer, 100 Pack - Durable Seal","description":"\u003cp\u003eIn this review the M1.5x23 Viton O-Ring pack is judged for mechanics, fabricators, and hobbyists who need a reliable metric seal in corrosive or high-heat environments; the single biggest reason to buy is its material choice - black Viton - which gives it broad chemical and temperature resistance that many generic elastomers lack. The reviewer found the 75A durometer offers a useful balance between flexibility and compression resistance, and the 23 mm ID size makes these rings especially handy for threaded barrel protection, carburetor seat seals, and other cylindrical mating surfaces where a compact, repeatable seal is required.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Viton (fluorocarbon elastomer) provides excellent resistance to fuels, oils, and many chemicals so the rings last longer in demanding service.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature range:\u003c\/strong\u003e Rated to perform across a wide span of temperatures so the same O-ring can be used in both low-temperature and high-heat applications without rapid hardening or softening.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurometer:\u003c\/strong\u003e 75A hardness balances compressibility and resilience to hold a seal under light to moderate static load while resisting extrusion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCross-section:\u003c\/strong\u003e Round profile creates a reliable seal between overlapping cylindrical surfaces and thread protectors where a simple ring is desirable.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack quantity:\u003c\/strong\u003e Supplied as a pack of 100 which is practical for shops or users who replace or stock O-rings regularly, reducing downtime for maintenance.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThis O-ring pack is aimed at professional technicians, small repair shops, and serious DIYers who need a compact, chemical-resistant seal for hydraulic fittings, carburetor seats, or threaded barrel protection. The combination of Viton and 75A hardness means it suits applications exposed to fuels, silicone oils, and many aromatic and aliphatic hydrocarbons.\u003c\/p\u003e\u003cp\u003eThose who should look elsewhere include users who need compatibility with ammonia, strong alkalis, or glycol-based brake fluids, since Viton is vulnerable to some of these chemistries; also, if a much softer or much harder material is required for a specific dynamic seal, a different durometer or elastomer would be a better match.\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 resistance from the Viton material, making these O-rings suitable for fuels and many solvents.\u003c\/li\u003e\n\u003cli\u003eUseful temperature tolerance that covers a wide range of workshop and engine conditions.\u003c\/li\u003e\n\u003cli\u003e75A hardness provides dependable sealing and keeps thread protectors and small fittings in place, as customers report.\u003c\/li\u003e\n\u003cli\u003ePack of 100 offers clear value for routine maintenance and multiple projects.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eViton is not resistant to certain substances like ammonia gas, strong alkalis, or glycol brake fluids, so compatibility must be checked for some specialized fluids.\u003c\/li\u003e\n\u003cli\u003eThe fixed 23 mm ID size limits use to applications that match that dimension; buyers needing other sizes must source alternatives.\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\u003eCross-section\u003c\/td\u003e\n\u003ctd\u003eRound\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInner diameter (ID)\u003c\/td\u003e\n\u003ctd\u003e23 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOuter diameter (OD)\u003c\/td\u003e\n\u003ctd\u003e26 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCord\/width\u003c\/td\u003e\n\u003ctd\u003e1.5 mm\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\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe M1.5x23 Viton O-Ring pack is a pragmatic choice for technicians and hobbyists who need a compact, chemical-resistant sealing solution that performs across a broad temperature range; its 75A hardness and quantity of 100 make it good value for routine maintenance and thread protection, provided your fluid environment is compatible with Viton.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eAre these O-rings suitable for fuel exposure?\u003c\/strong\u003e\u003cbr\u003eYes, Viton is compatible with many fuels and fuel-related hydrocarbons, making these O-rings suitable for non-flammable hydraulic fuels and common fuel-contact applications.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat temperature range will they withstand?\u003c\/strong\u003e\u003cbr\u003eThe rings are specified for a wide range, suitable from low temperatures up to the high-heat limits of Viton in typical service; check specific application temperatures against the material range.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWill they work for carburetor seat seals or thread protectors?\u003c\/strong\u003e\u003cbr\u003eCustomers have reported the size and hardness fit carburetor seat seals and help keep thread protectors in place, so they are a practical option when the 23 mm ID matches the part.\u003c\/p\u003e","brand":"Mr O-Ring","offers":[{"title":"Default Title","offer_id":48620581978331,"sku":"B00NQZX45O","price":48.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/611g_BwDJoL._SL1500_a29c4875-c2d6-4159-9083-369aa8675a9b.jpg?v=1778473192","url":"https:\/\/gearmusthave.com\/products\/m1-5x23-viton-o-ring-75a-durometer-100-pack-durable-seal","provider":"GearMustHave","version":"1.0","type":"link"}