Mutual Screw & Supply

0.21" CS X 6.475" ID Viton FKM O-Rings | AS568-357 | Dash 357 | 75 Durometer | Brown (8 / Pkg.)

0.21" CS X 6.475" ID Viton FKM O-Rings | AS568-357 | Dash 357 | 75 Durometer | - Main image
$32.27 $51.23 In stock

Viton FKM o-rings in AS568-357, 6.475" inner diameter by 0.21" 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: 357
  • Cross-section: 0.21" (5.33 mm)
  • Inner diameter: 6.475" (164.46 mm)
  • Durometer: 75 Shore A
  • Color: Brown
  • Temperature range: -15°F to +400°F (-26°C to +204°C)
  • Measurement type: Imperial
  • Pack quantity: 8 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)

Adam ★★★★★

Installed these on a high-temp steam valve that’s been leaking for months. The 75 durometer gave just enough stiffness to seal without cracking, and the -15°F to +400°F range handles the heat cycles perfectly.

Mia K. ★★★★★

These fit perfectly on the hydraulic fitting I needed to replace, and the 75 durometer feels solid without being too stiff. Handled the 300-degree heat cycle without any visible wear.

Daniel ★★★★★

The brown color makes them easy to spot against the black fittings, and the 75 durometer feels plenty sturdy for the heat range I’m working in. I’ve torqued these down on a hot oil line and they’ve held their shape without any squish or warping. Exactly what I needed for the dash 357 size.