Mutual Screw & Supply

0.103" CS X 2.174" ID Viton FKM O-Rings | AS568-139 | Dash 139 | 75 Durometer | Brown (60 / Pkg.)

0.103" CS X 2.174" ID Viton FKM O-Rings | AS568-139 | Dash 139 | 75 Durometer | - Main image
$42.67 $57.66 In stock

Viton FKM o-rings in AS568-139, 2.174" inner diameter by 0.103" 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: 139
  • Cross-section: 0.103" (2.62 mm)
  • Inner diameter: 2.174" (55.22 mm)
  • Durometer: 75 Shore A
  • Color: Brown
  • Temperature range: -15°F to +400°F (-26°C to +204°C)
  • Measurement type: Imperial
  • Pack quantity: 60 per package
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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)

Zoe ★★★★★

Installed a set of these on my hydraulic pump that lives near a hot engine block, and the 400°F rating gives me real peace of mind. The brown color made them easy to spot against the metal too.

Ruby ★★★★★

Finally found these in the exact dash 139 size for my steam valve rebuild, and the 75 durometer is noticeably firmer than the old ones. They seat perfectly without any distortion up to the 400°F rating I needed.

Leo P. ★★★★★

I’ve been using these Viton o-rings to replace worn seals on a high-temp valve, and the 400°F rating gives me peace of mind. The brown color makes them easy to spot during installation, which is a nice touch. So far, they’ve held up perfectly without any leaks.