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Nitrile 90 Durometer Backup Ring (N1444-90)

Brand: Parker Hannifin

Parker's 90 durometer black nitrile (NBR), N1444-90 is an excellent general purpose material that has good mechanical properties when compared to other elastomers.  

NBR is not resistant to weathering and ozone. 

N1444- 90 is only available as a Parback (backup ring).
Features
  • Aliphatic hydrocarbons (propane, butane, petroleum oil, mineral oil and grease, diesel fuel, fuel oils) vegetable and mineral oils and greases 
  • HFA, HFB and HFC hydraulic fluids 
  • Dilute acids, alkali and salt solutions at low temperatures 
  • Water up to 212°F (100°C)

Specifications

Approvals & Certifications

  • None

Color

  • Black

Fluid Compatibility

  • Oils

Inside Diameter (inch)

  • 0.077 to 26.004

Internally Lubed

  • No

Markets

  • General

Maximum Working Temperature (°F)

  • 250° F

Minimum Working Temperature (°F)

  • -30° F

Nominal Hardness

  • 90

Nominal Hardness Range

  • > 70

Polymer Family

  • Acrylonitrile-Butadiene Nitrile (NBR, XNBR)

Region of Origin

  • North America

Thermal Application (°F)

  • Standard (-30° to 250° F)

Trade Name

  • N300, Backup, Parbak

Width (inch)

  • 0.053 to 0.236
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