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  • Viton O-Ring, 75A Durometer, Round, Black (Metric)
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Viton O-Ring, 75A Durometer, Round, Black (Metric)

Available in multiple versions

24 customer reviews

Price: $2.85 - $33.24
Product Specifications
Brand Name Small Parts
Material Type Viton
Hardness 75 A Durometer
System of Measurement Metric
Color Black
Cross Section Shape Round
Nominal Inside Diameter n/a  mm
Nominal Outside Diameter n/a  mm
Nominal Width n/a  mm
LowerTemperature Range -40  Degrees Fahrenheit
Upper Temperature Range 400  Degrees Fahrenheit
Durometer 75a
Size n/a
UNSPSC Code 31410000

This metric O-ring is made of black Viton and has a durometer of 75A, a ro... Read full product description



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Inside Diameter Outside Diameter Overall Width Number of Items Part Number Price Quantity
   
10 millimeters 13 millimeters 1.5 millimeters 25 B005RUPI00
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$6.39
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11 millimeters 14 millimeters 1.5 millimeters 25 B005RUPIDM
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$7.94
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12 millimeters 15 millimeters 1.5 millimeters 25 B005RUPJ9A
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$7.94
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13 millimeters 16 millimeters 1.5 millimeters 25 B005RUPKF8
In Stock (2)
$8.62
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13.5 millimeters 16.5 millimeters 1.5 millimeters 25 B005RUPKT4
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$9.56
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14 millimeters 17 millimeters 1.5 millimeters 25 B005RUPLAC
In Stock (1)
$11.37
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14.5 millimeters 17.5 millimeters 1.5 millimeters 25 B005RUPLUW
In Stock (3)
$14.67
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15 millimeters 18 millimeters 1.5 millimeters 10 B005RUPMLU
Usually ships in 2 to 4 weeks
$6.24
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15.5 millimeters 18.5 millimeters 1.5 millimeters 25 B005RUPN3W
In Stock (1)
$16.97
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16 millimeters 19 millimeters 1.5 millimeters 25 B005RUPNMS
In Stock (1)
$13.10
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17.5 millimeters 20.5 millimeters 1.5 millimeters 25 B005RUPP08
In Stock (1)
$16.26
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18 millimeters 21 millimeters 1.5 millimeters 25 B005RUPPKS
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$11.21
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19 millimeters 22 millimeters 1.5 millimeters 25 B005RUPQ66
In Stock (1)
$15.60
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19.5 millimeters 22.5 millimeters 1.5 millimeters 25 B005RUPQWK
In Stock (2)
$17.56
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2 millimeters 5 millimeters 1.5 millimeters 25 B005RUP9DQ
In Stock (2)
$8.65
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20 millimeters 23 millimeters 1.5 millimeters 10 B005RUPRHY
In Stock (2)
$9.67
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21 millimeters 24 millimeters 1.5 millimeters 10 B005RUPRRY
In Stock (2)
$11.65
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21.5 millimeters 24.5 millimeters 1.5 millimeters 10 B005RUPS46
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$10.52
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22 millimeters 25 millimeters 1.5 millimeters 10 B005RUPSLE
In Stock (3)
$5.29
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23 millimeters 26 millimeters 1.5 millimeters 10 B005RUPT22
In Stock (1)
$11.26
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Product Features

  • Metric O-ring made of Viton (fluorocarbon elastomer) for use with a variety of chemicals and fuels
  • Durometer (hardness) of 75A for resistance to penetration
  • Round cross-section provides a seal between cylindrical overlapping surfaces
  • For use across a wide temperature range from -15 degrees F/-26 degrees C to 400 degrees F/205 degrees C
  • Meets standards defined by Aerospace Standard AS568A

Product Details

  • Shipping Information: View shipping rates and policies
  • Domestic Shipping: Item can be shipped within U.S.
  • International Shipping: This item is not eligible for international shipping. Learn More
  • ASIN: B005RVKAH0
  • Average Customer Review: 4.9 out of 5 stars  See all reviews (24 customer reviews)
  • Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

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Product Description

This metric O-ring is made of black Viton and has a durometer of 75A, a round cross-section, and can be used across a wide temperature range (-15 degrees F/-26 degrees C to 400 degrees F/205 degrees C). Designed for use in a wide variety of sealing applications, this Viton O-ring meets standards defined by Aerospace Standard AS568A, which is the Aerospace Size Standard for O-rings.

Viton (fluorocarbon elastomer) has heat, fuel, and chemical resistance and is compatible for use with non-flammable hydraulic fuels, silicone oil, chlorinated hydrocarbons (trichlorethylene), aromatic hydrocarbons (benzene) and aliphatic hydrocarbons (propane). It works well in high vacuum environments and is vulnerable to low molecular organic acids, ammonia gas, alkalis, amines, glycol-based brake fluids, and super-heated steam.

The durometer hardness of this Viton O-ring is 75A. 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.


Customer Questions & Answers

Customer Reviews

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Most Helpful Customer Reviews

1 of 1 people found the following review helpful By Jeff C. on December 8, 2014
Size: M2.5x11Nominal Width: 2.5Overall Width: 2.5Outside Diameter: 16Inside Diameter: 11Nominal Inside Diameter: 11Number of Items: 10Nominal Outside Diameter: 16 Verified Purchase
Not finding the exact replacement O-Rings for the Harbor Freight Hose Reel, this 2.5mm (thick) by 11mm (ID), totaling 16mm was the closest to meeting the OEM specification of 2.4mm (thick) by 11.2mm (ID). The difference between these is, the Viton ring has a .2mm smaller ID, but the actual ring thickness makes up for that. In the end, there is a slightly tighter seal perhaps due to a little stretching of the smaller 11mm ID and then the slight increase in thickness. The terminal Outer Diameter increase in the end (over the original) may be only as much as 1mm in the end. At least in this usage case, the difference is a tighter seal! And these worked VERY well for replacements.

It may be the nature of DuPont’s Viton that these O-Rings do not offer much stretch at all. The old (perhaps standard rubber) O-Rings were very easy to remove from their seats and stretched easily over the wider shaft to remove them.

While applying the replacements using the Viton O-Ring, the first attempt failed and the O-Ring split while trying to stretch it over the shaft. Being a harder material than the original O-Ring, I may have played a role in the failure by using the wrong tool to slide the ring with (having to use a prying force). There was no such failure using this tool while removing the old rings.

Comparing the old rings and new rings, there is a definite difference in elasticity. Perhaps this is why the old ones failed.

Here is a tip: if you do use these O-Rings to repair your HF Hose Reel, clean up the old seats and apply a little brake grease on them. Slide the first ring (the outer ring) on and let it slip into its seat. This will allow the inner ring to slide past (over) the first ring.

The fix to the hose reel was so fast and simple, I should have done it years ago!
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2 of 2 people found the following review helpful By Jayywolf on January 2, 2015
Verified Purchase
If this is for a suppressor o ring replacement on octane , ospery for the piston metric lh 13.5x1lh buy the following

Id: 12mm
Od:14mm
1mm CS

Works on sig 226 9mm barrel end cap as well
Searched for a while looking for this.
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1 of 1 people found the following review helpful By B. Masuda on March 14, 2013
Size: M2x42Nominal Width: 2Overall Width: 2Outside Diameter: 46Inside Diameter: 42Nominal Inside Diameter: 42Number of Items: 10Nominal Outside Diameter: 46 Verified Purchase
I looked for this O-ring specifically to fix a leak in the power steering fluid reservoir of my BMW. BMW apparently has chosen a low-grade O-ring for this application and this is a common leak problem that results in dried oil crusting around the reservoir. BMW uses ATF for power steering and so I did some research to see if there would be a better choice material for this application and was pretty much recommended by everyone and everything i read to use Viton. This O-ring is a perfect fit for the power steering cap (that says "ATF only" on it) and my leak has stopped now. I've only had it for a few months so it's hard to say at this point how well the O-ring is performing. The factory O-ring usually starts to show signs of leakage after a couple of years. I'll report back after a few years, but this option is much cheaper than buying the factory power steering cap (in order to get a new O-ring) and I can now recommend it to other BMW owners as well.
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1 of 1 people found the following review helpful By Jason Heiss VINE VOICE on September 2, 2012
Size: M2x10Nominal Width: 2Overall Width: 2Outside Diameter: 14Inside Diameter: 10Nominal Inside Diameter: 10Number of Items: 25Nominal Outside Diameter: 14 Verified Purchase
This is the size of the o-ring on the pressure hose of my Karcher pressure washer. The original o-ring has cracked and split and was leaking. This was a perfect replacement and the pressure washer is back in operation.
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1 of 1 people found the following review helpful By Edwin on April 27, 2012
Size: M1.5x12Nominal Width: 1.5Overall Width: 1.5Outside Diameter: 15Inside Diameter: 12Nominal Inside Diameter: 12Number of Items: 25Nominal Outside Diameter: 15 Verified Purchase
Used it to secure a muzzle brake on the my threaded barrel for a fnp 45. Works great and supports heat a pressure produce by the gases flowing through the barrel.
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1 of 1 people found the following review helpful By Rob and Kelli on March 19, 2014
Size: M1.5x12Nominal Width: 1.5Overall Width: 1.5Outside Diameter: 15Inside Diameter: 12Nominal Inside Diameter: 12Number of Items: 25Nominal Outside Diameter: 15 Verified Purchase
Keeps on my thread protector for my FNX 45 Tactical. People complained of it getting loose. I put on one of these guys and its tight as a button
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By K. S. Moore on June 10, 2014
Size: M2x25Nominal Width: 2Overall Width: 2Outside Diameter: 29Inside Diameter: 25Nominal Inside Diameter: 25Number of Items: 10Nominal Outside Diameter: 29 Verified Purchase
These are a perfect fit for the ATI SX2 shotgun. Easy to replace after thorough cleaning of gun about once every 6 months. These seem to be much more flexible and last longer than the original ring.
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By Druce on May 19, 2014
Size: M2.5x7Nominal Width: 2.5Overall Width: 2.5Outside Diameter: 12Inside Diameter: 7Nominal Inside Diameter: 7Number of Items: 25Nominal Outside Diameter: 12 Verified Purchase
Used these o-rings as replacement ones on the oil cap filter stem (BMW, E39). Perfect fit. Viton should withstand prolonged motor oil contact better than buna nitrile.
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