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AS005-70N Nitrile Oring (AS568-005 Size 0.070 CS x 0.101 ID)
Model: AS005-70N
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Stock: 590
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AS005-70N Nitrile Oring (AS568-005 Size 0.070 CS  x 0.101 ID)
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AS005-70N Nitrile O-Ring AS568-005

Nitrile is the most widely used elastomer in the seal and o-ring industry. Its popularity results from the ability to sustain performance across a wide temperature range (-22F to 212F), and its excellent resistance to petroleum-based products. Additionally, nitrile material exhibits superior compression set, tear and abrasion resistance. Limiting properties of nitrile include poor ozone and weather resistance, with only a moderate resistance to high heat. However, in many applications these are not restricting factors. Nitrile is often referred to as Buna (Buna-N) and NBR.

The nitrile AS005-70N o-ring can be reference in one of four ways:

  • Mostly commonly, the industry standard AS568 “dash” number: (AS568-005)
  • Standard dimensions: (CS 0.070" x ID 0.101")
  • Metric dimensions: (CS 1.78 x ID 2.57)
  • Nominal fractional dimensions: (CS 1/16 " x ID 3/32")

The final consideration for an o-ring after size and material type is the durometer. Durometer is an industry standard measurement for a material’s hardness. Most often for rubber seals, durometer is measured and listed in accordance with the “Shore A” scale. Typical durometers for standard rubber seals are 70, 75 and 90, depending on the material. A higher number indicates a harder material. Durometer is also generally stated and accepted with a “+/- 5” tolerance. For nitrile o-rings, standard nominal durometers are 70 and 90.

Primary Uses:

O-Rings, rubber seals and custom molded rubber components for:

  • Standard Oil resistant applications
  • Custom Low temperature applications
  • Specialized Fuel systems, automotive, marine, and aircraft
  • General Industrial Use
  • Model Number: AS005-70N
  • Manufacturers Part Number: AS005-70N
  • Industry Standard Reference Number: AS568-005
  • Material Type: Nitrile, Buna-N, NBR
  • Durometer (ShoreA): 70
Temperatures Range (Dry Heat)
Low: High:
-22`F / -30`C 212`F / 100`C
Nitrile O-Ring AS568-005 Application Ratings
Properties Excellent Good Fair Poor
Oils & Grease  
   
Tear Strength  
   
Fuel Resistance      
Gas Impermeability  
   
Compression
     
Abrasion Resistance  
   
Nitrile O-Ring AS568-005 Dimensions CS x ID

AS568-005 (Durometer 70) cross reference sizes

  • Nominal Fraction: 1/16 x 3/32
  • Actual Size: 0.070 x 0.101
  • Metric Size Millimeters: 1.78 x 2.57
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Currently viewing: AS005-70N | AS568-005 Nitrile O-ring 70 Durometer (Buna-n / NBR)
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