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-910 B90 (NBR) Buna-N Nitrile 90 Duro O-Ring (SAE -10)



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  • Model: B90910
  • 1668 in Stock
  • Tube Size: 5/8"
  • Actual: 0.755"ID X 0.097"CS
  • Metric: 19.12mm ID X 2.46mm CS
  • PDF Data Sheets

Tube Size OD: 5/8", SAE Dash Size -10, Thread Size 7/8-14 UNF

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 Orings sold are Nitrile Orings, 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

Compound Info:

  • A sulfur-cured, Nitrile compound for high pressure
  • Color: Black
  • Duro: 90
  • FDA: No
  • ASTM D2000-75 Grade 7BG915 B14 E14 E34 E51 E61 F16 L14
    ASTM D2000-01 Grade M7BG910 B14 EA14 EF11 EF21 EO14 EO34 F16
  • B90 is designed to meet or exceed the properties of these popular Buna Nitrile Compounds:
    N0552-90, N552-90, N140-90, B1001, C90, H144339, 4177-90/4058-90, 8309 and 477B

Operating temperature: -40° to +250°F

SAE Straight Thread O-ring (O-Ring Boss)

SAE J1926-1 and ISO 11296-1

The male connector of the O-Ring Boss has an O-ring and a straight thread. The female port has a sealing face, a chamfer, and a straight thread. The O-ring is compressed into the chamfer to form a seal. The threads of the two halves engage to form a mechanically strong connection. This connection finds many applications in high pressure hydraulic systems.

 

Inch size Dash size Thread Size Male Thread O.D. (in) Female thread O.D (in)
18 -2 516 - 24 516 0.31 932 0.27
316 -3 38 - 24 38 0.38 1132 0.34
14 -4 716 - 20 716 0.44 1332 0.39
516 -5 12 - 20 12 0.50 1532 0.45
38 -6 916 - 18 916 0.56 1732 0.51
12 -8 34 - 16 34 0.75 1116 0.69
58 -10 78 - 14 78 0.88 1316 0.81
34 -12 1 116 - 12 1116 1.06 1 0.98
78 -14 1 316 - 12 1 316 1.19 1 18 1.10
1 -16 1 516 - 12 1 516 1.31 1 14 1.23
1 14 -20 1 58 - 12 1 58 1.63 1 916 1.54
1 12 -24 1 78 - 12 1 78 1.88 1 1316 1.79
2 -32 2 12 - 12 2 12 2.50 2 716 2.42
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