Mutual Screw & Supply

0.139" CS X 0.609" ID Viton FKM O-Rings | AS568-208 | Dash 208 | 75 Durometer | Brown (150 / Pkg.)

0.139" CS X 0.609" ID Viton FKM O-Rings | AS568-208 | Dash 208 | 75 Durometer | - Main image
$34.75 $55.16 In stock

Viton FKM o-rings in AS568-208, 0.609" 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: 208
  • Cross-section: 0.139" (3.53 mm)
  • Inner diameter: 0.609" (15.47 mm)
  • Durometer: 75 Shore A
  • Color: Brown
  • Temperature range: -15°F to +400°F (-26°C to +204°C)
  • Measurement type: Imperial
  • Pack quantity: 150 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 (5.0 / 5 · 5 reviews)

Andrew ★★★★★

The 75 durometer hardness feels just right for the high-temp application I needed—no softening or deformation after a few heat cycles. These FKM rings seated perfectly in the groove on the first try, saving me from rework. Exactly what I hoped for at this price point.

Miles G. ★★★★★

The -15°F to +400°F range is exactly why I grabbed these for a hot oil line on my machine, and they've held up perfectly through several heat cycles. Came neatly packed in a 150-count bag, and the brown color makes them easy to spot during assembly.

Stella W. ★★★★★

I've been using these to rebuild some old hydraulic cylinders on a piece of farm equipment, and the 75 durometer feels like a perfect medium hardness for sealing against oil. They fit the groove nicely and snap into place without distorting. The -15°F to +400°F rating gives me confidence for both wi