Mutual Screw & Supply

0.139" CS X 3.109" ID Viton FKM O-Rings | AS568-235 | Dash 235 | 90 Durometer (50 / Pkg.)

0.139" CS X 3.109" ID Viton FKM O-Rings | AS568-235 | Dash 235 | 90 Durometer - Main image
$39.8 $60.31 In stock

Viton FKM o-rings in AS568-235, 3.109" inner diameter by 0.139" cross-section. Service range -15°F to +400°F (-26°C to +204°C). Also known as FKM, Fluoroelastomer.

Specifications

  • Product type: O-Ring
  • Material: Viton FKM
  • AS568 dash size: 235
  • Cross-section: 0.139" (3.53 mm)
  • Inner diameter: 3.109" (78.97 mm)
  • Durometer: 90 Shore A
  • Temperature range: -15°F to +400°F (-26°C to +204°C)
  • Measurement type: Imperial
  • Pack quantity: 50 per package
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Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

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United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

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Customer Reviews (4.8 / 5 · 5 reviews)

Leo ★★★★★

Perfect fit for the hydraulic cylinder I rebuilt—these Viton rings seated nicely and the 90 durometer feels sturdy without being brittle. Handled the 300°F operating temp on my press with zero issues so far, and the 50-pack means I’ve got spares for the next job.

William E. ★★★★★

I needed a high-temp seal for an exhaust manifold gasket repair, and these Viton rings held up perfectly during initial testing at around 350°F. The 90 durometer feels noticeably stiffer than standard rubber, which gave me confidence they won't deform under constant clamping pressure.

Ava C. ★★★★★

These worked perfectly for the pressure washer pump rebuild I was doing. The 90-durometer hardness makes them feel really sturdy during installation.