-176 Buna O-Ring, 70A Durometer, Black, 9-1/4" ID, 9-7/16" OD, 3/32" Width (Pack of 25) on Amazon™

Amazon: -168 Buna O-Ring 70A... |-171 Viton O-Ring 75A... |-172 Buna O-Ring 70A... |-435 Silicone O-Ring 70A... |

-176 Buna O-Ring, 70A Durometer, Black, 9-1/4" ID, 9-7/16" OD, 3/32" Width (Pack of 25)

Price with discount: $20.48 |

Product Details

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
Can be used 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
Meets standards defined by Aerospace Standard AS568A

This item is eligible for FREE SHIPPING

Sale Price: $20.48

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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

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

106 Buna O-Ring, 70A Durometer, Black, 3/16" ID, 3/8" OD, 3/32" Width (Pack of 100)
Fast shipping, great price and good quality all in these "O" rings. I got these for a specific purpose and they have gained some popularity for the specialized application I offer. Have bought 4 reorders at this point.
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November 8, 2010 | 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.

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-160 Buna O-Ring, 70A Durometer, Black, 5-1/4" ID, 5-7/16" OD, 3/32" Width (Pack of 25)

Price with discount: $10.96 |

Product Details

Round in cross-section to provide a seal between cylindrical overlapping surfaces
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
Durometer (hardness) of 70A for resistance to penetration

This item is eligible for FREE SHIPPING

Sale Price: $10.96

Customer Review

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

November 8, 2010 | 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 -160 Buna O-Ring, 70A Durometer, Black, 5-1/4" ID, 5-7/16" OD, 3/32" Width (Pack of 25)

-164 Buna O-Ring, 70A Durometer, Black, 6-1/4" ID, 6-7/16" OD, 3/32" Width (Pack of 25)

Price with discount: $12.65 |

Product Details

Durometer (hardness) of 70A for resistance to penetration
Round in cross-section to provide a seal between cylindrical overlapping surfaces
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
Meets standards defined by Aerospace Standard AS568A

This item is eligible for FREE SHIPPING

Sale Price: $12.65

Customer Review

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

November 8, 2010 | 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 -164 Buna O-Ring, 70A Durometer, Black, 6-1/4" ID, 6-7/16" OD, 3/32" Width (Pack of 25)

-172 Buna O-Ring, 70A Durometer, Black, 8-1/4" ID, 8-7/16" OD, 3/32" Width (Pack of 25)

Price with discount: $16.61 |

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)
Durometer (hardness) of 70A for resistance to penetration
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

This item is eligible for FREE SHIPPING

Sale Price: $16.61

Customer Review

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

November 8, 2010 | 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 -172 Buna O-Ring, 70A Durometer, Black, 8-1/4" ID, 8-7/16" OD, 3/32" Width (Pack of 25)

-156 Buna O-Ring, 70A Durometer, Black, 4-1/4" ID, 4-7/16" OD, 3/32" Width (Pack of 25)

Price with discount: $9.87 |

Product Details

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
Can be used across a wide temperature range from -30 degrees F (-34 degrees C) to 250 degrees F (121 degrees C)
Meets standards defined by Aerospace Standard AS568A

This item is eligible for FREE SHIPPING

Sale Price: $9.87

Customer Review

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

November 8, 2010 | 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 -156 Buna O-Ring, 70A Durometer, Black, 4-1/4" ID, 4-7/16" OD, 3/32" Width (Pack of 25)

-156 Buna-N O-Ring, 70A Durometer, Square, Black, 4-1/4" ID, 4-7/16" OD, 3/32" Width (Pack of 25)

Price with discount: $15.82 |

Product Details

Square cross-section to provide a static seal under high pressure
Meets standards defined by Aerospace Standard AS568A
Durometer (hardness) of 70A for resistance to penetration
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

This item is eligible for FREE SHIPPING

Sale Price: $15.82

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 -156 Buna-N O-Ring, 70A Durometer, Square, Black, 4-1/4" ID, 4-7/16" OD, 3/32" Width (Pack of 25)

-168 Buna O-Ring 70A Durometer Black 7-1 4 ID 7-7 16 OD 3 32 Width Pack of 25

) Product Details Amazon Sales Rank: #742 in BISS Size: 367 Color: Black Brand: Small Parts Model: 367 Number of items: 6 Features Made of ethylene propylene diene monomer (EPDM) rubber for use with a variety of chemicals and environments Can be...

) Product Details Amazon Sales Rank: #517 in BISS Size: 367 Color: Black Brand: Small Parts Model: 367 Number of items: 6 Features Made of ethylene propylene diene monomer (EPDM) rubber for use with a variety of chemicals and environments Can be...

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