Displaying 1 to 25 (of 44 Products)
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Product Name |
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Price |
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BU257-B90 |
AS568-257 90A Duro Buna-N Rubber Dished Back-up Rings
AS568-257 (0.118" W X 5.893"ID X 0.05"HT) A backup ring, or anti extrision device, is used in both static and dynamic O-Ring sealing applications. These Buna- N 90 durometer backup rings feature one dished face, allowing an ideal contoured and uniform contact with the O-Ring, and a flat surface for facing the extrusion gap. The Buna-N backup ring material, unlike teflon, still allows slight material elasticity during installation.... |
In Stock: 0 |
$1.460 Min Qty: 34 |
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A75257 |
AS568-257 Aflas (TFE/P, FEPM) 80 Duro O-Ring Black
5-7/8 ID X 6-1/8 OD X 1/8 CS Aflas (Tetrafluoroethylene Propylene, FEPM) AFLAS ® is the tradename for a unique fluoroelastomer based upon an alternating copolymer of tetrafluoroethylene and propylene ("TFE/P"). TFE/P provides improved chemical resistance to a wide spectrum of automotive fluids and additives. It is resistant to motor oils of all types, engine coolants with high level of rust inhibitors, extreme pressure (EP) gear... |
In Stock: 13 |
$17.420 |
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B50257 |
AS568-257 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring
Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as Buna-N or NBR, is a copolymer of Butadiene and Acrylonitirle. It has a temperature range of -40F to +250F and is exceptionally resistant to petroleum base oils and hydrocarbon fuels. Nitrile materials also exhibit excellent tensile strength and abrasion resistance properties. The material performs well with most dilute acids, silicone oils... |
In Stock: 0 |
$2.320 Min Qty: 151 |
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B70257-NSF |
AS568-257 B70 (NBR) Buna-N FDA/NSF61 70 Duro O-Ring
5 7/8"ID X 6 1/8"OD X 1/8"CS NSF - FDA Compliant Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as Buna-N or NBR, is a copolymer of Butadiene and Acrylonitirle. It has a temperature range of -40F to +250F and is exceptionally resistant to petroleum base oils and hydrocarbon fuels. Nitrile materials also exhibit excellent tensile strength and abrasion resistance properties.... |
In Stock: 0 |
$1.179 Min Qty: 5 |
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B70257 |
AS568-257 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring
5 7/8"ID X 6 1/8"OD X 1/8"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as Buna-N or NBR, is a copolymer of Butadiene and Acrylonitirle. It has a temperature range of -40F to +250F and is exceptionally resistant to petroleum base oils and hydrocarbon fuels. Nitrile materials also exhibit excellent tensile strength and abrasion resistance properties. The material... |
In Stock: 87 |
$0.856 Min Qty: 4 |
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B70257-N888 |
AS568-257 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring - Mil-Spec MS28775 - Freudenberg N888 Black
Aerospace-Grade B70 (NBR) Buna-N Nitrile 70 Duro O-Ring – Built to Exceed Industry Standards Ensure top performance and reliability with The O-Ring Store LLC’s B70 Buna-N Nitrile 70 Duro O-Ring , manufactured using Freudenberg N888 , a specialized NBR compound designed for demanding aerospace and hydraulic applications. These O-Rings are compliant with AS28775, MS28775, and MS28784 , making them ideal for critical systems where durability... |
In Stock: 0 |
$13.197 Min Qty: 38 |
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B70257-MD-BLUE |
AS568-257 B70 FDA (NBR) Buna-N Nitrile 70 Duro O-Ring - Metal Detectable Blue
FDA Grade Metal Detectable Buna-N Blue O-Rings 70 Durometer (NBR) Upgrade your sealing solutions with our premium FDA Grade Metal Detectable Buna-N O-Rings , designed specifically for the stringent demands of the food and beverage industry. Crafted from high-quality Nitrile (Buna-N) material, these O-Rings offer exceptional performance and compliance with food safety regulations. Key Features FDA Compliant Material Meets FDA CFR 177.2600... |
In Stock: 0 |
$3.950 Min Qty: 64 |
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B90257 |
AS568-257 B90 (NBR) Buna-N Nitrile 90 Duro O-Ring
O-ring Size: 5 7/8"ID X 6 1/8"OD X 1/8"CS Buna-N O-Rings 90 Duro: exceptionally suited for high pressure applications. Nitrile is also known as Buna-N or NBR, is a copolymer of Butadiene and Acrylonitirle. It is the most commonly used elastomer for sealing products. It has a temperature range of -40F to +250F and is exceptionally resistant to petroleum base oils and hydrocarbon fuels. Nitrile materials also exhibit excellent... |
In Stock: 453 |
$1.490 Min Qty: 2 |
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QR-257 |
AS568-257 Buna-N 70 Durometer X-Rings
O-ring Size: 5 7/8"ID X 6 1/8"OD X 1/8"CS Buna-N 70 Durometer X-Rings The four-lobed design with a specially developed sealing profile of these seals provides twice the sealing surface of ordinary O-rings. The four-lobed design not only provides lower fiction than an O-ring, but also, due to its square cross section, it resists spiral twist. X-Rings are available in a wide range of elastomer materials for both standard and special... |
In Stock: 11 |
$2.390 |
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BV75257 |
AS568-257 BV75 Fluorocarbon FKM O-Rings 75 Durometer Brown
O-ring Size: 5 7/8"ID X 6 1/8"OD X 1/8"CS Chemical Resistant Fluorocarbon FKM O-Rings : A chemical resistant Fluorocarbon FKM (Fluorocarbon Elastomer) compound rubber has excellent resistance to high temperatures, ozone, oxygen, mineral oil, synthetic hydraulic fluids, fuels, aromatics and many organic solvents and chemicals. Low temperature resistance is normally not favorable and for static applications is limited to... |
In Stock: 14 |
$4.770 Min Qty: 2 |
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C70257 |
AS568-257 C70 Neoprene (Polychloroprene) 70 Duro O-Rings
O-ring Size: 5 7/8"ID X 6 1/8"OD X 1/8"CS Neoprene O-Rings : The first synthetic rubber developed commercially, introduced in 1931, exhibits generally good ozone, aging and chemical resistance. It has good mechanical properties over a wide temperature range. Vulcanizates of chloroprene display little significant change after prolonged outdoor exposure. Because of its chlorine content, flame resistance is superior to that of most... |
In Stock: 64 |
$1.640 Min Qty: 150 |
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CV75257 |
AS568-257 CV75 Viton Extreme Chemical Resistant ETP O-Rings Black
CV75 Viton Extreme Chemical Resistant ETP O-Rings Black General Information Excellent Polar Solvent Resistance (Better Than 'GF' Types) Excellent Resistance to Engine Oils, Gear Lubricant & Hydraulic Fluid Excellent Resistance to Strong Acids and Bases Best Chemical Resistance Available in a Non-Perfluoroelastomer Good Heat Resistance Excellent Ozone and Weathering Resistance Applications Chemical Processing Systems Involving Polar... |
In Stock: 8 |
$49.240 Min Qty: 8 |
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E70257 |
AS568-257 E70 EPDM FDA O-Ring 70 Duro Black
5-7/8"ID X 6-1/8"OD X 1/8"CS FDA Compliant EPDM O-Rings: Normally used with foods, water, steam applications, phosphate ester type hydraulic fluids, brake fluids and offer great resistance to ozone and weathering. Sulfur-Cured FDA Grade EPDM is the least costly and provides the best tear and abrasion resistance compared to Peroxide-Cured Systems. EPDM's are not used with petroleum oils or fuels because significant... |
In Stock: 97 |
$1.350 Min Qty: 4 |
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E80257-E454 |
AS568-257 E80 Simrit E454 Peroxide-Cured EPDM 80 Duro Black O-Ring NAS-1613
Simrit E454 EPDM 80 durometer black O-Ring is engineered to deliver long-term sealing reliability in the most demanding hydraulic environments, while also providing dependable performance in standard industrial applications. Designed to minimize leakage, resist material breakdown, and maintain consistent sealing force, this O-Ring helps customers reduce downtime and extend service intervals. Manufactured from peroxide-cured EPDM... |
In Stock: 0 |
$59.010 Min Qty: 9 |
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E70257-NSF |
AS568-257 EPDM FDA/NSF61 Peroxide-Cured O-Ring 70 Duro
5-7/8"ID X 6-1/8"OD X 1/8"CS FDA/NSF Compliant EPDM O-Rings: Normally used with foods, water, steam applications, phosphate ester type hydraulic fluids, brake fluids and offer great resistance to ozone and weathering. Peroxide Cured EPDM FDA/NSF-61 are Chloramine Resistant and stronger and have better chemical and chloramine resistance than sulfur cured compounds. EPDM's are not used with petroleum oils or fuels because... |
In Stock: 0 |
$1.460 Min Qty: 343 |
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FDABV75257 |
AS568-257 FDA 3A Sanitary Brown Viton FKM 75 Duro O-Rings
FDA & 3A Sanitary Approved Fluorocarbon O-Rings for Food, Beverage & Dairy Processing The FDA 3A Sanitary Brown Viton™ FKM 75 Duro O-Rings are designed for demanding food, beverage, and dairy processing applications. Manufactured from FDA-approved Fluorocarbon (FKM) rubber, these O-Rings comply with FDA 21 CFR 177.2600 and 3A Sanitary Class I requirements, ensuring reliable and safe sealing in hygienic environments. These... |
In Stock: 1 |
$7.330 |
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TEV257 |
AS568-257 FEP Encapsulated FKM Core O-Ring
5-7/8"ID X 6-1/8"OD X 1/8"CS Teflon® Encapsulated Fluorocarbon FKM O-Rings A Teflon Encapsulated o-ring is a circular shaped seal with a round cross section consisting of two components, a Teflon® jacket and an internal (core) energizer, which imparts memory to the seal. The encapsulated O-ring is intended to close off potential leak paths between mating surfaces in both static and dynamic applications. FEP... |
In Stock: 0 |
$22.140 Min Qty: 3 |
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QV-257 |
AS568-257 Fluorocarbon FKM 75 Durometer X-Rings
Fluorocarbon (FPM, FKM, Fluorocarbon FKM) 75 Durometer X-Rings Fluorocarbon is a well- known high performance rubber, and especially it has excellent resistance to high temperature, ozone, weather, oxygen, mineral oil, fuels, hydraulic fluids, aromatics and many organic solvents and chemicals. X-Rings have a double sealing function as compared to an O-Ring and can be used in a wide variety of static and dynamic sealing applications. The... |
In Stock: 0 |
$18.130 |
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FS70257 |
AS568-257 FS70 Fluorosilicone (FVMQ) 70 Duro O-Ring
O-ring Size: 5 7/8"ID X 6 1/8"OD X 1/8"CS Blue Fluorosilicone O-rings 70 Durometer: AMS-R-25988 Cl1 Gr 70 (M25988/1) Fluorosilicone rubber is an inorganic "hybrid" elastomer which combines the wide temperature range spectrum of silicone with some of the chemical resistance of fluorocarbon rubber. Primary use is in fuel delivery systems. Fluorosilicone rubber offers the best low temperature properties of any oil resistant... |
In Stock: 11 |
$55.310 |
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TEF257 |
AS568-257 High-Performance PTFE (Teflon®) White 55 Shore D O-Rings
Unmatched Chemical & Temperature Resistance for Extreme Sealing Applications When your sealing application demands exceptional chemical resistance, high heat stability, and low friction, PTFE (Polytetrafluoroethylene) O-Rings provide an unparalleled solution. The O-Ring Store LLC offers precision-cut, White PTFE O-Rings designed for the most demanding environments, including chemical processing, medical applications, food and beverage, and... |
In Stock: 20 |
$39.430 |
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H70257 |
AS568-257 HNBR (HSN) Highly Saturated Nitrile 70 Duro O-Ring
Highly Saturated Nitrile Butadiene Rubber HNBR, or HSN, is a hydroginated NBR for increased saturation of the butadiene segment of the main carbon polymer chain. This gives HNBR better thermal stability, greater tensile strength, greater wear and extrusion resistance, increased resistance to ozone and oxygen, and broader chemical resistance compared to a standard NBR. HNBR It is often seen in automotive air conditioning applications due... |
In Stock: 0 |
$3.020 Min Qty: 42 |
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S50257 |
AS568-257 S50 FDA Silicone (VMQ) 50 Duro O-Ring
5-7/8"ID X 6-1/8"OD X 1/8"CS Silicone O-Rings (VMQ) Duro 50 - Brick Red - FDA: The term silicone covers a large group of materials in which vinyl-methyl-silicone (VMQ) is often the central ingredient. Silicone elastomers as a group have relatively low tensile strength, poor tear and wear resistance. However, they have many useful properties as well. Silicone has a good heat resistance, good cold flexibility, and good ozone and weather resistance... |
In Stock: 0 |
$3.900 Min Qty: 200 |
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S70257 |
AS568-257 S70 FDA Silicone (VMQ) 70 Duro O-Ring
5-7/8"ID X 6-1/8"OD X 1/8"CS Silicone O-Rings (VMQ) Duro 70 - Brick Red - FDA: The term silicone covers a large group of materials in which vinyl-methyl-silicone (VMQ) is often the central ingredient. Silicone elastomers as a group have relatively low tensile strength, poor tear and wear resistance. However, they have many useful properties as well. Silicone has a good heat resistance, good cold flexibility, and good ozone and weather resistance... |
In Stock: 9 |
$3.020 Min Qty: 2 |
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S70257-MD-RED |
AS568-257 S70 FDA Silicone (VMQ) 70 Duro O-Ring - Metal Detectable Red
Stop contamination risks before they start while maintaining a reliable, compliant seal. When product safety, audit readiness, and uptime matter, this FDA Silicone (VMQ) 70 Duro O-Ring delivers peace of mind. Built from high-quality VMQ silicone with a 70 durometer hardness, this red metal detectable O-Ring helps you catch contamination early using standard metal or X-ray detection systems. That means fewer recalls, less downtime, and stronger... |
In Stock: 0 |
$8.260 Min Qty: 61 |
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FFKM-257-SZ134 |
AS568-257 Simriz® 134 90 Duro RGD Perfluoroelastomer FFKM O-Ring
Simriz 134 90A RGD FFKM O-Ring – High-Performance Sealing for Extreme Conditions The Simriz® 134 90 Duro Perfluoroelastomer (FFKM) O-Ring provides the ultimate sealing reliability in extreme environments. It is engineered to withstand aggressive chemicals, rapid pressure changes, and sustained high temperatures where other materials fail. With 90 Shore A hardness and certified resistance to Rapid Gas Decompression (RGD), this compound... |
In Stock: 0 |
$230.040 Min Qty: 3 |
Displaying 1 to 25 (of 44 Products)