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SAE Flange Seal, O-Ring, for John Deere, Caterpillar and Case

SAE Flange Seal, O-Ring, for John Deere, Caterpillar and Case

$1.61
$1.61
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OSK™ SAE Flange Seal Kit for John Deere, Caterpillar and Case

This kit contains 90 Durometer Nitrile - Buna-N O-Rings.

O-Ring Kit Includes
Qty
Dash
 John Deere Caterpillar J.I. Case
8
8
 B2763R 4J5140 A47696
8
12
 A4730R 475267 S6578
8
16
 T78313 4J0520 31968
8
20
 N131838 4J0522 343909R1
8
24
 T34248 4J0524 343921R1
8
32
 F1870R 4J0537 343923R1

Buna-N O-Rings 90 Duro: exceptionally suited for high pressure applications.

Nitrile is also known as Buna-N or NBR, is a copolymer of Butadiene and Acrylonitirle. It is the most commonly used elastomer for sealing products. It has a temperature range of -40F to +250F and is exceptionally resistant to petroleum base oils and hydrocarbon fuels. Nitrile materials also exhibit excellent tensile strength and abrasion resistance properties. The material performs well with most dilute acids, silicone oils and lubricants and in water applications. It is not recommended for use with ketones, aromatic hydrocarbons and phosphate ester hydraulic fluids. More than 50% of the O-Rings sold are Nitrile O-Rings, commonly used in hydraulic/pneumatic motors, cylinders, pumps and valves.

Buna-N / Nitrile Recommended uses:

  • General purpose sealing.
  • Petroleum oils and fluids.
  • Gasoline
  • Hydraulic fluids
  • L.P. gases
  • Cold Water.
  • Silicone greases and oils
  • Di-ester base lubricants (MIL-L-7808).
  • Ethylene glycol base fluids (Hydrolubes)

Nitrile is not recommended for:

  • Halogenated hydrocarbons (carbon tetrachloride, trichloroethylene)
  • Nitro hydrocarbons (nitrobenzene, aniline)
  • Phosphate ester hydraulic fluids (Skydrol, Fyrquel, Pydraul).
  • Ketones (MEK, acetone)
  • Ozone
  • Sunlight, UV
  • Weather
  • Strong Acids Ozone
  • Automotive brake fluid

Operating temperature: -40° to +250°F

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