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O-Rings

Available1,911 products
O-rings help ensure a tight seal to prevent air and fluid leaks in many commercial and industrial applications.
O-Ring Material Compatibility

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 Metric Buna N O-Rings

Round Metric Buna N O-Rings
Round metric Buna-N (or nitrile) O-rings seal valves, faucets, flanges and engines. They have strong resistance to petroleum products. Metric O-ring sizing is determined by the O-ring's inside diameter and cross-section width.

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.

Rectangular PTFE O-Rings

Rectangular PTFE O-Rings
PTFE Backup O-Rings are designed to be used in conjunction with standard O-rings to help prevent extrusion in high-pressure applications or where extrusion gaps are excessive. Wherever possible, use a backup ring on each side of the O-ring. Rectangular cross-section features a split for easy installation. Operating temp.: -100° to 500°F Durometer: 55 Shore D.

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.
Note: Product availability is real-time basis and adjusted continuously. The product will be reserved for you when you complete your order.