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O-Rings

Available92 products
O-rings help ensure a tight seal to prevent air and fluid leaks in many commercial and industrial applications.
Nominal Outside Dia.

Round Viton O-Rings

Round Viton O-Rings

Viton O-rings resist a wide range of chemicals and high temperatures.

Nominal Width: 1/32 in Actual Width: 0.04 in

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Nominal Width: 3/64 in Actual Width: 0.05 in

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Actual Width: 0.056 in

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Nominal Width: 1/16 in Actual Width: 0.056 in

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Nominal Width: 1/16 in Actual Width: 0.06 in

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Nominal Width: 1/16 in Actual Width: 0.064 in

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Nominal Width: 1/16 in Actual Width: 0.07 in

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Nominal Width: 1/16 in Actual Width: 0.072 in

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Nominal Width: 1/16 in Actual Width: 0.078 in

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Nominal Width: 1/16 in Actual Width: 0.082 in

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Nominal Width: 1/16 in Actual Width: 0.087 in

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Nominal Width: 1/16 in Actual Width: 0.097 in

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Nominal Width: 1/16 in Actual Width: 0.116 in

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Nominal Width: 1/16 in Actual Width: 0.118 in

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Actual Width: 0.064 in

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Actual Width: 0.072 in

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Actual Width: 0.078 in

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Actual Width: 0.082 in

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Actual Width: 0.087 in

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Nominal Width: 3/32 in Actual Width: 0.097 in

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Nominal Width: 3/32 in Actual Width: 0.103 in

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Nominal Width: 3/32 in Actual Width: 0.118 in

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Nominal Width: 3/32 in Actual Width: 0.116 in

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Actual Width: 0.097 in

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Actual Width: 0.116 in

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Nominal Width: 1/8 in Actual Width: 0.116 in

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Nominal Width: 1/8 in Actual Width: 0.118 in

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Nominal Width: 1/8 in Actual Width: 0.139 in

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Nominal Width: 3/16 in Actual Width: 0.21 in

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Nominal Width: 1/4 in Actual Width: 0.275 in

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Round Buna N O-Rings

Round Buna N O-Rings
Buna-N (or nitrile) O-rings create multidirectional seals between two parts in power transmissions or hydraulic/pneumatic cylinders. Made in a round profile, they resist grease and oils, as well as mild chemicals and water.

Round Silicone O-Rings

Round Silicone O-Rings
Silicone round O-rings seal connections in high-temperature, static environments. These O-rings work best in dry heat, ozone areas, and when in contact with mineral oils.

Round EPDM O-Rings

Round EPDM O-Rings

These O-rings feature Ethylene Propylene Diene Monomer (EPDM) rubber construction. EPDM offers outstanding resistance to weather, heat, and ozone. It is also compatible with ketones, fireproof hydraulic fluids, alkalis, and water.

900 Series O-Rings feature a round cross-section.

Buna N and Viton® O-Rings can be used for sealing valves, faucets, flanges, engines, and more. Each features a round cross-section. Medium-hard.

FDA and NSF61 Compliant O-Rings feature a round cross section and medium hardness. They offer low-temperature flexibility with low gas permeability, and are resistant to ozone, weather, water, steam, diluted acids, and diluted alkalis. Black color. Durometer: 70 Shore A. Temp. range: -65° to 250°F.

Round PTFE O-Rings

Round PTFE O-Rings
PTFE O-Rings each feature a round cross-section design. PTFE operating temp.: -100° to 500°F

X Buna N O-Rings

X Buna N O-Rings
Quattro® Seal O-Rings feature 4 sealing surfaces to help reduce the amount of squeeze required to create a positive seal. They also help reduce friction and extend seal life. Black color. All conform dimensionally to AS568 O-ring sizes.

Round Neoprene O-Rings

Round Neoprene O-Rings
Neoprene O-Rings each feature a round cross-section design. Neoprene operating temp.: -40° to 275°F.

X Viton O-Rings

X Viton O-Rings

Viton helps provide superior resistance to permeation, extreme temperature, and a wide range of aggressive fluids. It also offers higher temperature and chemical resistance to Buna-N seals.

Round Viton ETP O-Rings

Round Viton ETP O-Rings

Viton® ETP O-Rings help provide superior resistance to permeation, extreme temperature, and a wide range of aggressive fluids. For severe environments. Round cross-section. Operating temp.: -10° to 400°F 75 durometer Shore A Black color.

Round Metal Detectable FDA Buna-N O-Rings

Round Metal Detectable FDA Buna-N O-Rings
Metal fillers allow these food-grade round O-rings to be picked up by metal detection systems if they fall into a process stream. Buna-N is suitable for a broad range of fluids including oils, water, and mild chemicals.

Round Polyurethane O-Rings

Round Polyurethane O-Rings
Polyurethane round O-rings wear well and resist abrasion in applications requiring rubber or plastic components. Known for strong sealing ability, these O-rings are used in line shaft conveyors, robotics, engravers, and tire manufacturing.

Square Viton O-Rings

Square Viton O-Rings
Square cross section O-rings have a large continuous sealing surface for a tighter seal in static applications. Viton has good resistance to a wide range of chemicals and high temperatures.

Round FFKM O-Rings

Round FFKM O-Rings
Perfluoroelastomer (FFKM) round O-rings resist harsh chemicals and extreme temperatures. They are used as sealers in aggressive chemical environments. Typical applications include chemical, aerospace, oil and high-vacuum technology industries.

Round Soft FDA & 3A Silicone O-Rings

Round Soft FDA & 3A Silicone O-Rings
Soft formulation makes these round O-rings more compressible so that they conform better to surfaces and create a tighter seal. These food grade O-rings are 3A certified for use in food, beverage, and pharmaceutical applications. Silicone is resistant to high temperatures.

Round Soft FDA Viton O-Rings

Round Soft FDA Viton O-Rings
Soft formulation makes these round O-rings more compressible so that they conform better to surfaces and create a tighter seal. These food grade O-rings are commonly used in food, beverage, and pharmaceutical applications. Viton has good resistance to a wide range of chemicals and high temperatures.

Round Metal Detectable FDA Viton O-Rings

Round Metal Detectable FDA Viton O-Rings
Metal fillers allow these food-grade round O-rings to be picked up by metal detection systems. Viton has good resistance to a wide range of chemicals and high temperatures.

Square Buna N O-Rings

Square Buna N O-Rings
Square cross section O-rings have a large continuous sealing surface for a tighter seal in static applications. They cover more surface than round-profile O-rings and are commonly used in hose, pipe, and faucet connections.

Round HNBR O-Rings

Round HNBR O-Rings
HNBR round O-rings, or highly saturated nitrile, resist oils, mild chemicals, and water. They are more heat and abrasion resistant than Buna-N.

Round Aflas O-Rings

Round Aflas O-Rings

Aflas o-rings are resistant to high temperatures and petrochemicals.

Round Soft Buna-N O-Rings

Round Soft Buna-N O-Rings
Soft formulation makes these round O-rings more compressible so that they conform better to surfaces and create a tighter seal. Buna-N is suitable for a broad range of fluids including oils, water, and mild chemicals.

Round Fluorosilicone O-Rings

Round Fluorosilicone O-Rings
Fluorosilicone round O-rings excel in low-temperature environments and resist jet fuels and mineral oils. They are used in aerospace, automotive, and semiconductor applications. Fluorosilicone O-rings are a hybrid of silicone and FKM materials.

Round Clean Room Buna-N O-Rings

Round Clean Room Buna-N O-Rings
These round food-grade O-rings are cleaned and bagged in an ISO Class 7 (10,000) clean room to remove direct, bacteria, and surface particles. Buna-N is suitable for a broad range of fluids including oils, water, and mild chemicals.

Round AC HNBR O-Rings

Round AC HNBR O-Rings
HNBR round O-rings, or highly saturated nitrile, have a temperature range of -25F to +350F. They are used in all oil-resistant sealing applications, including automotive refrigeration systems using freon and in power steering seals using type A fluid.

Round Kalrez 7075 O-Rings

Round Kalrez 7075 O-Rings

Kalrez 7075 round O-rings return to their normal state after being repetitively compressed. These O-rings are durable and withstand hot and cold temperatures and have a glossier finish than other Kalrez models. They are designed for use in the chemical and hydrocarbon processing industries.

Round Internally Lubricated Buna-N O-Rings

Round Internally Lubricated Buna-N O-Rings
Graphite filler serves as an internal lubricant, making for easier installation and reducing wear to extend seal life. These round O-rings do not stick to moving parts and are designed for use in start-stop applications

Round Conductive Silicone O-Rings

Round Conductive Silicone O-Rings
These electrically conductive round O-rings divert static charges away from sensitive equipment. Silicone is resistant to high temperatures.

Round Kalrez 6230 O-Rings

Round Kalrez 6230 O-Rings
Kalrez 6230 is a food- and medical-grade round O-ring useful when high purity is needed. They are made of FDA-listed materials and are 3-A and USP VI certified. Like other Kalrez O-rings, these seals also resist harsh chemicals and extreme temperatures.

Round Metal Detectable Silicone O-Rings

Round Metal Detectable Silicone O-Rings
Metal detectable silicone O-rings work with inline x-ray, steel discovery and magnetic separation devices for prompt contamination alert. These round O-rings help reduce the risk of contamination by very early detection and containment.

Round Kalrez 4079 O-Rings

Round Kalrez 4079 O-Rings
Kalrez 4079 O-rings are black, low-compression seals for dry and wet semiconductor process environments. They offer strong chemical resistance and thermal stability.

Round AC PTFE Coated Neoprene O-Rings

Round AC PTFE Coated Neoprene O-Rings
These neoprene round O-rings withstand high temperatures and are PTFE-coated to make them resistant to friction. These O-rings fit into automobile AC applications and are resistant to most cooling refrigerants.

Round Clean Room Viton O-Rings

Round Clean Room Viton O-Rings
These food-grade round O-rings are cleaned and bagged in an ISO Class 7 (10,000) clean room to remove dirt, bacteria, and surface particles. Viton has good resistance to a wide range of chemicals and high temperatures.
Note: Product availability is real-time basis and adjusted continuously. The product will be reserved for you when you complete your order.