360 Buna-N O-Ring, 70A Durometer, Black, 5-7/8" ID, 6-1/4" OD, 3/16" Width (Pack of 10) on Amazon™

Amazon: -043 Buna O-Ring 70A... |-162 Viton O-Ring 75A... |-358 Buna O-Ring 70A... |-426 Silicone O-Ring 70A... |

360 Buna-N O-Ring, 70A Durometer, Black, 5-7/8" ID, 6-1/4" OD, 3/16" Width (Pack of 10)

Price with discount: $12.03 |

Product Details

Meets standards defined by Aerospace Standard AS568A
Can be used across a wide temperature range from -30 degrees F (-34 degrees C) to 250 degrees F (121 degrees C)
Made of Buna-nitrile (also called Buna-N) for use with a variety of fluids and hydrocarbons
Round in cross-section to provide a seal between cylindrical overlapping surfaces
Durometer (hardness) of 70A for resistance to penetration

This item is eligible for FREE SHIPPING

Sale Price: $12.03

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Customer Review

Very tough Ball Mill belt
Ordered to try as replacement ball mill belt. Outlasts the "official" belt by 10X and at 7 cents apiece versus $6. Need ball mill belts? Cannot go wrong with this one! Works with the very popular 3# and 6# dual drum mill.
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September 25, 2009 (Denver, CO USA) | Helpful Votes: 1 | Rating: 5

Perfect!
I'm using these for a mixed-media art project. They're VERY durable (tried to break one by stretching it, and it WON'T break), and the dimensions are exactly as described. Thanks! ~G
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February 24, 2012 (Norfolk, VA USA) | Helpful Votes: 0 | Rating: 5

9" O-Ring
This was a perfect size for what I needed and just as you would expect an O-Ring to be!!! I used it as a drive belt.
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August 10, 2011 | Helpful Votes: 0 | Rating: 5

Product Description

This O-ring is made of black Buna-nitrile, is round in cross-section, has a durometer of 70A, and is designed for use in a wide variety of sealing applications.

Buna-nitrile can have high tensile strength, and abrasion, tear, and compression set resistance. It can be used in temperatures between -30 degrees F (-34 degrees C) to 250 degrees F (121 degrees C), and is compatible for use with petroleum, HFA, HFB and HFC fluids, vegetable oil, alcohol, acids and aliphatic hydrocarbons. Buna-nitrile is vulnerable to acetone, ethers, esters, ozone, sunlight and weathering and should therefore not be used in ozone-generating electric motors, welding equipment, or in applications with exposure to UV light.

This Buna O-ring has a shore durometer of 70A. Shore durometer is the hardness of a material, and its resistance to permanent indentation. A higher durometer value indicates greater resistance to indentation on a scale of 0 to 100, with 100 indicating no indentation.

O-rings commonly provide a pressure and fluid seal between cylindrically shaped, overlapping mating surfaces and are commonly seen in engines, faucets, flanges, valves, and various cylinders. They are circular in shape, with a round cross section, and a hole in the center, similar to a doughnut. O-rings are available in various sizes, and can be ordered based on required nominal inside diameter (ID), outer diameter (OD), and cross-sectional (CS) diameter.

These Buna-nitrile O-rings meet standards defined by Aerospace Standard AS568A, which is the Aerospace Size Standard for O-rings.

Top to learn more

359 Buna-N O-Ring, 70A Durometer, Black, 5-3/4" ID, 6-1/8" OD, 3/16" Width (Pack of 10)

Price with discount: $11.73 |

Product Details

Made of Buna-nitrile (also called Buna-N) for use with a variety of fluids and hydrocarbons
Can be used across a wide temperature range from -30 degrees F (-34 degrees C) to 250 degrees F (121 degrees C)
Round in cross-section to provide a seal between cylindrical overlapping surfaces
Meets standards defined by Aerospace Standard AS568A
Durometer (hardness) of 70A for resistance to penetration

This item is eligible for FREE SHIPPING

Sale Price: $11.73

Customer Review

September 25, 2009 (Denver, CO USA) | Helpful Votes: 1 | Rating: 5

February 24, 2012 (Norfolk, VA USA) | Helpful Votes: 0 | Rating: 5

9" O-Ring
This was a perfect size for what I needed and just as you would expect an O-Ring to be!!! I used it as a drive belt.
Top to learn more

August 10, 2011 | Helpful Votes: 0 | Rating: 5

Product Description

This O-ring is made of black Buna-nitrile, is round in cross-section, has a durometer of 70A, and is designed for use in a wide variety of sealing applications.

These Buna-nitrile O-rings meet standards defined by Aerospace Standard AS568A, which is the Aerospace Size Standard for O-rings.

Top to learn more

BUY 359 Buna-N O-Ring, 70A Durometer, Black, 5-3/4" ID, 6-1/8" OD, 3/16" Width (Pack of 10)

360 Buna-N O-Ring, 70A Durometer, Square, Black, 5-7/8" ID, 6-1/4" OD, 3/16" Width (Pack of 10)

Price with discount: $21.20 |

Product Details

Meets standards defined by Aerospace Standard AS568A
Made of Buna-nitrile (also called Buna-N) for use with a variety of fluids from petroleum to aliphatic hydrocarbons
For use across a wide temperature range from -30 degrees F/-34 degrees C to 250 degrees F/121 degrees C
Durometer (hardness) of 70A for resistance to penetration
Square cross-section to provide a static seal under high pressure

This item is eligible for FREE SHIPPING

Sale Price: $21.20

Product Description

This O-ring is made of black Buna-nitrile (Buna-N) and has a durometer of 70A. It has a square cross-section and can be used across a wide temperature range (-30 degrees F/-34 degrees C to 250 degrees F/121 degrees C). Designed for use in a wide variety of sealing applications, this square O-ring can provide a superior seal to round O-rings in static applications, but is usually not as effective in dynamic applications. This Buna-nitrile O-ring meet standards defined by Aerospace Standard AS568A, which is the Aerospace Size Standard for O-rings.

Buna-nitrile can have high tensile strength, and has abrasion, tear, and compression set resistance. It is compatible for use with petroleum, hexafluoroacetone (HFA), hexafluoro-2-butyne (HFB) and hydrofluorocarbon (HFC) fluids, vegetable oil, alcohol, acids, and aliphatic hydrocarbons. Buna-nitrile is vulnerable to acetone, ethers, esters, ozone, sunlight and weathering, and should not be used in ozone-generating electric motors, welding equipment, or in applications with exposure to UV light.

The durometer hardness of this Buna O-ring is 70A. Durometers measure the hardness of a material and its resistance to permanent indentation. A higher durometer value indicates greater resistance to indentation. On a scale of 0 to 100, a value of 0 indicates that a sample was completely penetrated, while a value of 100 shows no indentation in the sample. The letter following the number identifies the shore scale, which is either shore A or D. Shore A is used for softer plastics, while shore D is used for harder plastics.

O-rings provide a pressure and fluid seal between cylindrically shaped, overlapping mating surfaces and are commonly seen in engines, faucets, flanges, valves, and various cylinders. They are circular in shape, with a round cross section, and a hole in the center, similar to a doughnut. O-rings are available in various AS568A dash sizes, which is the standardized sizing for O-rings, and defines the nominal inside diameter (ID), outer diameter (OD), and cross-sectional (CS) diameter of an O-ring.

Top to learn more

BUY 360 Buna-N O-Ring, 70A Durometer, Square, Black, 5-7/8" ID, 6-1/4" OD, 3/16" Width (Pack of 10)

-358 Buna O-Ring 70A Durometer Black 5-5 8 ID 6 OD 3 16 Width Pack of 10

Product Details Amazon Sales Rank: #694 in BISS Size: 378 Color: Black Brand: Small Parts Model: 378 Number of items: 1 Features Made of Buna-nitrile (also called Buna-N) for use with a variety of fluids and hydrocarbons Can be used across a wide... ) Review & Description This O-ring is made of black Buna-nitrile, is round in cross-section, has a durometer of 70A, and is designed for use in a wide variety of sealing applications. These Buna-nitrile O-rings meet standards defined by Aerospace Standard AS568A, which is the Aerospace Size Standard for O-rings. It can be used in temperatures between -30 degrees F (-34 degrees C) to 250 degrees F (121 degrees C), and is compatible for use with petroleum, HFA, HFB and HFC fluids, vegetable oil, alcohol, acids and aliphatic hydrocarbons.

Product Details Amazon Sales Rank: #3663 in BISS Size: 377 Color: Black Brand: Small Parts Model: 377 Number of items: 1 Features Made of Buna-nitrile (also called Buna-N) for use with a variety of fluids and hydrocarbons Can be used across a wide... ) Review & Description This O-ring is made of black Buna-nitrile, is round in cross-section, has a durometer of 70A, and is designed for use in a wide variety of sealing applications. These Buna-nitrile O-rings meet standards defined by Aerospace Standard AS568A, which is the Aerospace Size Standard for O-rings. It can be used in temperatures between -30 degrees F (-34 degrees C) to 250 degrees F (121 degrees C), and is compatible for use with petroleum, HFA, HFB and HFC fluids, vegetable oil, alcohol, acids and aliphatic hydrocarbons.

Product Details Size: 104 Color: Black Brand: Small Parts Model: 104 Number of items: 25 Features Made of Buna-nitrile for use with a variety of fluids and hydrocarbons Four-lobe shape for lower friction and resistance to twisting Can be used... ) Review & Description This quad-ring is made of black Buna-nitrile (also called Buna-N), has a durometer (hardness) of 70A, and can be used in a wide variety of static and dynamic sealing applications. Buna-nitrile is acceptable for temperature applications between -30 degrees F (-34 degrees C) to 250 degrees F (121 degrees C). It is compatible for use with petroleum, HFA, HFB, and HFC fluids, vegetable oil, and other aliphatic hydrocarbons. Buna quad-rings meet standards defined by Aerospace Standard AS568A, Aerospace Size Standard for O-rings.

) Product Details Amazon Sales Rank: #594 in BISS Size: 317 Color: Black Brand: Small Parts Model: 317 Number of items: 50 Features Made of Buna-nitrile (also called Buna-N) for use with a variety of fluids and hydrocarbons Can be used across a...

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