{"product_id":"mr-o-ring-216-viton-o-ring-90a-1-1-8-in-id-pack-of-50","title":"Mr O-Ring 216 Viton O-Ring 90A, 1-1\/8 in ID (Pack of 50)","description":"\u003cp\u003eIn this review the Mr O-Ring 216 Viton O-Ring is evaluated for technicians, maintenance shops and hobbyists who need durable, heat-resistant seals in quantity. The bottom line: these 90A durometer Viton o-rings offer broad chemical and temperature resistance and come in a convenient pack of 50, making them a practical choice when you need consistent, AS568-sized sealing parts for petroleum, fuel blends, hydraulic fluids or high-temperature air applications.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Viton (FKM) construction provides excellent resistance to high temperature, ozone and many organic solvents, reducing unexpected seal failures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardness:\u003c\/strong\u003e 90A durometer balances flexibility with compression resistance so the ring maintains a seal under pressure while still conforming to mating surfaces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e Nominal 1-1\/8 in ID and 1-3\/8 in OD with actual 1.109 in ID and 1.387 in OD, giving reliable fit for AS568 size 216 applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature range:\u003c\/strong\u003e Rated from -26C to 232C (-15F to 450F), allowing use in both low-temperature and very high-temperature service environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChemical compatibility:\u003c\/strong\u003e Performs well with petroleum products, diesel and biodiesel blends, methanol or ethanol blends, mineral oils, greases and many solvents.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack quantity:\u003c\/strong\u003e Supplied as a pack of 50 which is convenient for routine maintenance or stocking small shops.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThese o-rings are well suited to industrial maintenance teams, automotive and small engine technicians, HVAC and plumbing professionals who need a robust seal that tolerates heat, fuel exposure and ozone. The pack size and AS568-compatible sizing make them a sensible choice when multiple replacements are needed or when you want parts that meet standard dimensions.\u003c\/p\u003e\u003cp\u003eThose who should look elsewhere include applications requiring very soft or very hard compounds outside 90A durometer, single custom sizes not matching AS568 216, or elastomer standards other than Viton where specific non-FKM compatibility is required.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHigh temperature and chemical resistance from the Viton (FKM) material reduces downtime due to seal degradation.\u003c\/li\u003e\n\u003cli\u003e90A durometer provides a practical balance of flexibility and durability for many sealing tasks.\u003c\/li\u003e\n\u003cli\u003eAccurate nominal and actual dimensions make these reliable replacements for AS568 size 216 locations.\u003c\/li\u003e\n\u003cli\u003ePack of 50 offers good value and convenience for routine servicing.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eViton can be more costly than generic nitrile for non-critical uses where extreme chemical or temperature resistance is not required.\u003c\/li\u003e\n\u003cli\u003eNot suitable where a different durometer or non-FKM compatibility is explicitly needed.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\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 size\u003c\/td\u003e\n\u003ctd\u003e1-1\/8 in ID, 1-3\/8 in OD, 1\/8 in CS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eActual dimensions\u003c\/td\u003e\n\u003ctd\u003e1.109 in ID, 1.387 in OD, 0.139 in CS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMetric dimensions\u003c\/td\u003e\n\u003ctd\u003e28.17 mm ID, 35.23 mm OD, 3.53 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 quantity\u003c\/td\u003e\n\u003ctd\u003e50 pieces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe Mr O-Ring 216 Viton O-Ring is a solid choice for professionals and serious hobbyists who need reliable, high-temperature and chemical-resistant seals in standard AS568 size 216. Its 90A durometer and pack of 50 make it good value for maintenance use, though those needing softer elastomers or non-FKM compounds should choose a different material.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eAre these o-rings compatible with fuels and oils?\u003c\/strong\u003e\u003cbr\u003eYes; the Viton material is designed to perform well with petroleum, diesel and biodiesel blends, mineral oils and many solvents.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDo these meet standard AS568 sizes?\u003c\/strong\u003e\u003cbr\u003eYes; the rings are intended for AS568 size 216 and the actual dimensions are listed to confirm fit.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat temperature range can they handle?\u003c\/strong\u003e\u003cbr\u003eThey are rated from -26C (-15F) up to 232C (450F), suitable for many high-temperature sealing needs.\u003c\/p\u003e","brand":"Mr O-Ring","offers":[{"title":"Default Title","offer_id":48197128323291,"sku":"B07R724XPC","price":34.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/51Kuv29LevL._SL1000_29649c7e-8bdc-47ce-a0b5-f8750df3ba75.jpg?v=1770302324","url":"https:\/\/gearmusthave.com\/products\/mr-o-ring-216-viton-o-ring-90a-1-1-8-in-id-pack-of-50","provider":"GearMustHave","version":"1.0","type":"link"}