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  • EPDM O-Ring, 70A Durometer, Black
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EPDM O-Ring, 70A Durometer, Black

Available in multiple versions

25 customer reviews

Price: $1.91 - $154.80
Product Specifications
Brand Name Small Parts
Material Type EPDM (Ethylene Propylene Diene Monomer Rubber)
Hardness 70 A Durometer
System of Measurement Inch
Color Black
Cross Section Shape Round
LowerTemperature Range -70  Degrees Fahrenheit
Upper Temperature Range 300  Degrees Fahrenheit
Specification Met AS568A
Durometer 70a
UNSPSC Code 31410000

This EPDM O-ring is black in color, round in cross-section, has a durometer... Read full product description


Currently showing 1-20 of 823 Next »
Size Nominal Inside Diameter Nominal Outside Diameter Nominal Width Inside Diameter Outside Diameter Overall Width Number of Items Part Number
The Amazon Standard Item Number (ASIN) uniquely identifies the item in the Amazon catalog.
Price Quantity
   
001 0.029 inches 3/32 inches 0.04 inches 0.029 inches 3/32 inches 0.04 inches 100 B001D8DQB8
In Stock (4)
$29.34
001 0.029 inches 3/32 inches 0.04 inches 0.029 inches 3/32 inches 0.04 inches 70 B0051Y030M
In Stock (6)
$20.71
001-1/2 0.070 inches 1/8 inches 0.040 inches 0.070 inches 1/8 inches 0.040 inches 25 B005282X7S
In Stock (1)
$6.05
002 0.042 inches 9/64 inches 0.05 inches 0.042 inches 9/64 inches 0.05 inches 100 B001D8BY4E
In Stock (2)
$6.26
002 0.042 inches 9/64 inches 0.05 inches 0.042 inches 9/64 inches 0.05 inches 75 B0051Y0370
In Stock (3)
$2.12
002 0.042 inches 9/64 inches 0.050 inches 0.042 inches 0.142 inches 0.050 inches 500 B00M91AW3S
In Stock (3)
$18.35
003 0.056 inches 3/16 inches 0.06 inches 0.056 inches 3/16 inches 0.06 inches 100 B001D8BY6C
In Stock (2)
$6.27
003 0.056 inches 3/16 inches 0.060 inches 0.056 inches 0.176 inches 0.060 inches 500 B00M91AW24
Usually ships in 2 to 4 weeks
$15.61
004 0.07 inches 13/64 inches 0.07 inches 0.07 inches 13/64 inches 0.07 inches 100 B001D8HA1A
In Stock (8)
$2.60
004 0.070 inches 13/64 inches 0.070 inches 0.070 inches 0.210 inches 0.070 inches 500 B00M91AVWA
Usually ships in 2 to 4 weeks
$40.34
005 0.101 inches 7/32 inches 0.07 inches 0.101 inches 7/32 inches 0.07 inches 100 B001E0AIKC
In Stock (7)
$5.88
005 0.101 inches 7/32 inches 0.070 inches 0.101 inches 0.241 inches 0.070 inches 500 B00M91AQAM
In Stock (2)
$15.19
006 0.114 inches 1/4 inches 0.07 inches 0.114 inches 1/4 inches 0.07 inches 100 B001D8A3IM
In Stock (7)
$5.35
006 0.114 inches 1/4 inches 0.070 inches 0.114 inches 0.254 inches 0.070 inches 500 B00M91AQJ8
In Stock (2)
$7.00
007 0.145 inches 9/32 inches 0.07 inches 0.145 inches 9/32 inches 0.07 inches 100 B001D8FRVK
In Stock (6)
$5.58
007 0.145 inches 9/32 inches 0.070 inches 0.145 inches 0.285 inches 0.070 inches 500 B00M91AR8I
In Stock (1)
$14.50
008 0.176 inches 5/16 inches 0.07 inches 0.176 inches 5/16 inches 0.07 inches 100 B001D8DQV8
In Stock (9)
$5.36
008 0.176 inches 5/16 inches 0.070 inches 0.176 inches 0.316 inches 0.070 inches 500 B00M91AQMU
In Stock (1)
$44.15
009 0.208 inches 11/32 inches 0.07 inches 0.208 inches 11/32 inches 0.07 inches 100 B001E07GFC
In Stock (9)
$5.63
009 0.208 inches 11/32 inches 0.070 inches 0.208 inches 0.348 inches 0.070 inches 500 B00M91ALHA
In Stock (1)
$14.86
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Product Features

  • Made of ethylene propylene diene monomer (EPDM) rubber for use with a variety of chemicals and environments
  • Can be used in a wide temperature range from -70 degrees F (-57 degrees C) to 300 degrees F (149 degrees C)
  • Round in cross-section to provide a seal between cylindrical overlapping surfaces
  • Durometer (hardness) of 70A for resistance to penetration
  • 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: B003SLE5L8
  • Average Customer Review: 4.4 out of 5 stars  See all reviews (25 customer reviews)
  • Product Warranty: For warranty information about this product, please click here

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Customer Questions & Answers

Customer Reviews

Most Helpful Customer Reviews

4 of 4 people found the following review helpful By Spits on June 24, 2013
Size: 010Nominal Width: 0.07Overall Width: 0.07Outside Diameter: 3/8Inside Diameter: 0.239Nominal Inside Diameter: 0.239Number of Items: 100Nominal Outside Diameter: 3/8
Like others, I was shorted in my package of 100. When I saw that someone received 99 I didn't think it was a big deal--it's easy enough to miss 1 o-ring. When my package arrived, I opened it up and took out the 2 that I needed for the job at hand. Then I thought I'd check the count. 88 o-rings! Are you serious!?! Come on, how do you leave out 12% of the quantity and think that that's OK?!

Update: I returned the package of 88 and got a replacement package. This time it was 87!
I then contacted the supplier of the seals (not Amazon). The supplier doesn't do retail, but they have a website and when I contacted them, they informed me that they package by weight and that their scale must have been off for the batch(es) in question. They sent me a new package, this time of 101. They're a stand-up operation with a process that deviated a bit. The o-rings themselves are fine and now I'm satisfied with the experience.
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2 of 2 people found the following review helpful By Douglas Reed on February 12, 2012
Size: 228Nominal Width: 0.139Overall Width: 0.139Outside Diameter: 2-1/2Inside Diameter: 2.234Nominal Inside Diameter: 2.234Number of Items: 25Nominal Outside Diameter: 2-1/2
Item arrived on-time and in good condition in a sealed plastic bag. Labeling on the bag included general item description (EPDM O-ring black -228), part count and part and stock-keeping numbers, but omitted the size specifications. There was no obvious damage or defects and the part count was correct.

The rubber seem to be of good quality and is firm, smooth and dry, with a light residue of release-agent powder (this is acceptable). It should be noted that the cross-sections of the O-rings are not perfectly round; there is a very slight lip on the inner- and outer-most diameters. This is no doubt where the dies met for the molding process, and is unlikely to interfere with performance. Measurement of about half a dozen or so pieces revealed all actual dimensions (which differ from the nominal dimensions--I highly recommend consulting the "Product Details" section) to be within specified tolerances.

All-in-all, these seem to be fine quality O-rings, though not quite top-of-the-line. Still, for the price I paid at the time (less than $1--Small Parts's prices can fluctuate quite a bit, I recommend checking them frequently), they were an OUTSTANDING value. Recommended.
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2 of 2 people found the following review helpful By GUSR19 on September 11, 2010
Size: 109Nominal Width: 0.103Overall Width: 0.103Outside Diameter: 1/2Inside Diameter: 0.299Nominal Inside Diameter: 0.299Number of Items: 100Nominal Outside Diameter: 1/2
What more can you really say ? They arrived on-time and fitted exactly what I wanted :-)
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1 of 1 people found the following review helpful By R. Wright on April 15, 2010
Size: 230Nominal Width: 0.139Overall Width: 0.139Outside Diameter: 2-3/4Inside Diameter: 2.484Nominal Inside Diameter: 2.484Number of Items: 25Nominal Outside Diameter: 2-3/4 Verified Purchase
Not much to say, exactly as described, i.e. it's an o-ring which it's ID/OD are as indicated. Prompt shipment, no damage (had to kill an o-ring in shipment)
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Verified Purchase
I've ordered two sizes now, and neither has matched this chart here. I've measured and measured like crazy, and I've not received what I've expected. The o-rings seem to be really nice; the fault is surely mine. If you're looking for o-rings, these are the ones to get!

(Can someone explain the sizes of o-rings to me? Amazon Supply (formerly Small Parts) can't. The "Nominal Inside Diameter" column doesn't seem to make sense. I ordered a package of the 008 rings (Nominal ID 3/16") and they weren't right for my project so I ordered a package of the 011 (Nominal ID 5/16") and they were a LOT smaller than the 008s. I thought 3/16" > 5/16" (and Actual ID .301" > .176"), but I seem to be wrong! The reason I don't know exactly what I need is because this is for a craft project so I don't need to be exact, but I need something bigger than the 008 I had. Going up three seemed right. Do I need to go three in the other direction, i.e., to 005? Can you aim me towards an URL which will explain what I need to know? Thanks for helping!)
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1 of 1 people found the following review helpful By Bubby on August 20, 2013
Size: 108Nominal Width: 0.103Overall Width: 0.103Outside Diameter: 7/16Inside Diameter: 0.237Nominal Inside Diameter: 0.237Number of Items: 100Nominal Outside Diameter: 7/16 Verified Purchase
Perfect size and durable.
I use these in a hand sprayer of a pressure washer. Lots of pressure and abrasion.
great
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Size: 006Nominal Width: 0.07Overall Width: 0.07Outside Diameter: 1/4Inside Diameter: 0.114Nominal Inside Diameter: 0.114Number of Items: 100Nominal Outside Diameter: 1/4 Verified Purchase
This was the most economical way to buy a small quantity of this O-ring, which is a very small size that is not readily available elsewhere. The O-ring distributors and manufacturers need to sell in large lots that cost $40 or more. I only needed one, so this was an ideal solution.
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By Doug on May 1, 2014
Size: 338Nominal Width: 0.21Overall Width: 0.21Outside Diameter: 3-1/2Inside Diameter: 3.1Nominal Inside Diameter: 3.1Number of Items: 10Nominal Outside Diameter: 3-1/2 Verified Purchase
I used this size O-Ring as a rubber suspension mount for a motorcycle speedometer, as this is how they were mounted originally from the factory. Works great and now I have a lifetime supply! (minimum order was ten or twelve)
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