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173 Buna O-Ring 70A Durometer Black 8-1/2" ID 8-11/16" OD 3/32" Width

  • Added more than 30 days ago


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  • 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
  • Durometer (hardness) of 70A for resistance to penetration
  • Meets standards defined by Aerospace Standard AS568A
  • 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 pr
  • Specifications for this item
  • Brand Name:Small Parts
  • Part Number:ORB-173-01
  • Material Type:Nitrile Rubber
  • Hardness:70A
  • System of Measurement:Inch
  • Color:Black
  • Cross Section Shape:Round
  • Inside Diameter:8.487 inches
  • Inside Diameter Tolerance:0.05 inches
  • Outside Diameter:8.693 inches
  • Overall Width:0.103 inches
  • Width Tolerance:0.003 inches
  • Nominal Inside Diameter:8.487 inches
  • Nominal Outside Diameter:8-11/16 inches
  • Nominal Width:0.103 inches
  • LowerTemperature Range:-30 Degrees Fahrenheit
  • Upper Temperature Range:250 Degrees Fahrenheit
  • Specification Met:AS568A
  • Durometer:70A
  • Number of Items:1
  • Outside Diameter:8-11/16 inches
  • Size:173
  • UNSPSC Code:31410000
Small Parts

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