Displaying 1 to 25 (of 48 Products)
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Product Name |
Qty. |
Price |
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B70430 |
AS568-430 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring
Nominal Size: 1/4" CS x 5-1/8" ID x 5-5/8" OD The AS568-430 B70 Buna-N O-Ring (part number B70430) is a black, 70 durometer nitrile (NBR) O-Ring with a nominal size of 1/4" CS x 5-1/8" ID x 5-5/8" OD. It actually measures 0.275" CS x 5.100" ID x 5.650" OD, which is 6.99mm CS x 129.54mm ID x 143.51mm OD. It seals petroleum oils, hydraulic fluids, gasoline and cold water from -40F to +250F (-40C to +121C) and is stocked in the USA by The O-Ring... |
In Stock: 227 |
$2.020 Min Qty: 2 |
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BU431-B90 |
AS568-431 90A Duro Buna-N Rubber Dished Back-up Rings
AS568-431 (0.236" W X 5.301"ID X 0.117"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... |
In Stock: 2 |
$2.380 |
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A75431 |
AS568-431 Aflas (TFE/P, FEPM) 80 Duro O-Ring Black
5-1/4 ID X 5-3/4 OD X 1/4 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: 0 |
$45.310 Min Qty: 6 |
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B50431 |
AS568-431 B50 (NBR) Buna-N Nitrile 50 Duro O-Ring
Dimensions: 5-1/4" ID x 5-3/4" OD x 1/4" CS The AS568-431 is a Buna-N (Nitrile) 50A Durometer O-Ring with an inside diameter of 5.225 inches and a cross-section of 0.275 inches. It is built for low-pressure and vacuum sealing on soft, uneven or lightly loaded surfaces where an extra-soft seal conforms better than standard nitrile. This O-Ring is stocked and shipped same-day by The O-Ring Store LLC, an ISO 9001:2015 certified distributor. Seal... |
In Stock: 0 |
$4.750 Min Qty: 40 |
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B70431-NSF |
AS568-431 B70 (NBR) Buna-N FDA/NSF61 70 Duro O-Ring
5 1/4"ID X 5 3/4"OD X 1/4"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: 95 |
$2.790 Min Qty: 2 |
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B70431 |
AS568-431 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring
Nominal Size: 1/4" CS x 5-1/4" ID x 5-3/4" OD The AS568-431 B70 Buna-N O-Ring (part number B70431) is a black, 70 durometer nitrile (NBR) O-Ring with a nominal size of 1/4" CS x 5-1/4" ID x 5-3/4" OD. It actually measures 0.275" CS x 5.225" ID x 5.775" OD, which is 6.99mm CS x 132.72mm ID x 146.68mm OD. It seals petroleum oils, hydraulic fluids, gasoline and cold water from -40F to +250F (-40C to +121C) and is stocked in the USA by The O-Ring... |
In Stock: 297 |
$2.050 Min Qty: 2 |
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B70431-N888 |
AS568-431 B70 (NBR) Buna-N Nitrile 70 Duro O-Ring - Mil-Spec MS28775 - Freudenberg N888 Black
Dimensions: 5-1/4" ID x 5-3/4" OD x 1/4" CS The AS568-431 is a B70 (NBR) Buna-N Nitrile O-Ring molded from Freudenberg N888 , a specialized aerospace-grade nitrile compound, in a 70 Shore A durometer and black color. It measures 5-1/4" ID x 5-3/4" OD x 1/4" CS. This size is built to Mil-Spec MS28775 and cross-references AS28775 and MS28784. It is stocked and shipped same day by The O-Ring Store LLC, an ISO 9001:2015 certified distributor. Seal... |
In Stock: 0 |
$32.250 Min Qty: 8 |
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B70431-MD-BLUE |
AS568-431 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 |
$8.880 Min Qty: 30 |
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B75431-MD-GRN |
AS568-431 B75 FDA (NBR) Buna-N Nitrile 75 Duro O-Ring - Metal Detectable Green
5-1/4" ID x 5-3/4" OD x 1/4" CS Part number B75431-MD-GRN is an AS568-431 metal detectable green FDA Buna-N Nitrile (NBR) O-Ring in 75 durometer Shore A, measuring 5-1/4" ID x 5-3/4" OD x 1/4" CS. The actual measured size is 5.225" ID x 5.775" OD x 0.275" CS, or 132.71mm ID x 146.68mm OD x 6.99mm CS in metric. It is compounded with a detectable filler so a piece that breaks loose on a production line will trip conventional metal detection... |
In Stock: 0 |
$10.080 Min Qty: 10 |
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B90431 |
AS568-431 B90 (NBR) Buna-N Nitrile 90 Duro O-Ring
O-ring Size: 5 1/4"ID X 5 3/4"OD X 1/4"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: 34 |
$3.350 |
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QR-431 |
AS568-431 Buna-N 70 Durometer X-Rings
O-ring Size: 5 1/4"ID X 5 3/4"OD X 1/4"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: 2 |
$4.730 |
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BV75431 |
AS568-431 BV75 Fluorocarbon FKM O-Rings 75 Durometer Brown
O-ring Size: 5 1/4"ID X 5 3/4"OD X 1/4"CS Chemical Resistant and High Heat Fluorocarbon FKM O-Rings 75 Durometer: Fluorocarbons (FKM) – has excellent resistance to high temperatures, ozone, oxygen, mineral oil, synthetic hydraulic fluids, fuels, aromatics and many organic solvents and chemicals. Fluorocarbon FKM has a temperature range of -20F to +400F, and provides excellent resistance to a wide variety of chemicals,... |
In Stock: 0 |
$9.240 |
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C70431 |
AS568-431 C70 Neoprene (Polychloroprene) 70 Duro O-Rings
O-ring Size: 5 1/4"ID X 5 3/4"OD X 1/4"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: 0 |
$3.170 Min Qty: 30 |
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CV75431 |
AS568-431 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: 0 |
$135.260 Min Qty: 3 |
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E70431 |
AS568-431 E70 EPDM FDA O-Ring 70 Duro Black
5-1/4"ID X 5-3/4"OD X 1/4"CS FDA Compliant EPDM O-Rings: Frequently 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: 274 |
$2.920 Min Qty: 2 |
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E80431-E454 |
AS568-431 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 |
$111.300 Min Qty: 5 |
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E70431-NSF |
AS568-431 EPDM FDA/NSF61 Peroxide-Cured O-Ring 70 Duro
Dimensions: 5-1/4" ID x 5-3/4" OD x 1/4" CS The AS568-431 is a Black 70 durometer peroxide-cured EPDM O-Ring with an inside diameter of 5.225 inches and a cross-section of 0.275 inches. It is an FDA and NSF-61 compliant compound built for potable water, food contact, steam and chemical service, and it resists chloramine far better than a standard sulfur-cured EPDM. We stock the most common O-Ring sizes, plus the ones our customers ask for and... |
In Stock: 24 |
$3.140 Min Qty: 10 |
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FDABV75431 |
AS568-431 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: 0 |
$19.760 |
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TEV431 |
AS568-431 FEP Encapsulated FKM Core O-Ring
5-1/4"ID X 5-3/4"OD X 1/4"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 |
$29.030 Min Qty: 2 |
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QV-431 |
AS568-431 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 |
$41.420 |
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FS70431 |
AS568-431 FS70 Fluorosilicone (FVMQ) 70 Duro O-Ring
Dimensions: 5-1/4" ID x 5-3/4" OD x 1/4" CS The AS568-431 is a Fluorosilicone (FVMQ) 70A durometer O-Ring with an inside diameter of 5.225 inches and a cross-section of 0.275 inches. It is built for fuel systems and wide temperature swings, the spot where plain silicone gives up on fuel and standard rubber gives up on heat and cold. This O-Ring is stocked and shipped same-day by The O-Ring Store LLC, an ISO 9001:2015 certified distributor. Stop... |
In Stock: 0 |
$43.420 Min Qty: 2 |
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TEF431 |
AS568-431 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: 0 |
$28.060 |
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H70431 |
AS568-431 HNBR (HSN) Highly Saturated Nitrile 70 Duro O-Ring
Dimensions: 1/4" CS x 5-1/4" ID x 5-3/4" OD The AS568-431 is a 70A durometer HNBR O-Ring in Green, molded from Highly Saturated Nitrile also called HSN or hydrogenated nitrile. It measures 0.25" cross-section by 5.25" ID by 5.75" OD and seals from -40F to +300F. HNBR keeps the oil and fuel resistance of standard nitrile and adds better heat, ozone and wear life, so it holds up in automotive air conditioning, sour gas and hot oil where plain... |
In Stock: 0 |
$10.310 Min Qty: 5 |
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S50431 |
AS568-431 S50 FDA Silicone (VMQ) 50 Duro O-Ring
5-1/4"ID X 5-3/4"OD X 1/4"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 |
$8.870 Min Qty: 100 |
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S70431 |
AS568-431 S70 FDA Silicone (VMQ) 70 Duro O-Ring
5-1/4"ID X 5-3/4"OD X 1/4"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: 16 |
$6.890 |
Displaying 1 to 25 (of 48 Products)
