Mutual Screw & Supply

0.21" CS X 1.6" ID Silicone O-Rings | AS568-326 | Dash 326 | FDA Compliant | 70 Durometer | Red (50 / Pkg.)

0.21" CS X 1.6" ID Silicone O-Rings | AS568-326 | Dash 326 | FDA Compliant | 70 - Main image
$36.66 $54.72 In stock

Silicone o-rings in AS568-326, 1.6" inner diameter by 0.21" cross-section. Service range -80°F to +450°F (-62°C to +232°C). Also known as VMQ, Silastic.

Specifications

  • Product type: O-Ring
  • Material: Silicone
  • AS568 dash size: 326
  • Cross-section: 0.21" (5.33 mm)
  • Inner diameter: 1.6" (40.64 mm)
  • Durometer: 70 Shore A
  • Color: Red
  • Temperature range: -80°F to +450°F (-62°C to +232°C)
  • Measurement type: Imperial
  • Compliance: FDA 21 CFR 177.2600
  • 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 (4.4 / 5 · 5 reviews)

Grace T. ★★★★★

Fed up with cheap o-rings that crack after a few heat cycles, I picked these silicone ones for the freezer-to-oven gaskets on my lab equipment. The 70 durometer feels perfect—firm enough to seal tight but still flexible after a 350°F bake-off. Exactly what I needed for reliable, food-grade performan

Brian ★★★★★

The high-temp rating was the selling point for me, and these red rings handle the heat on my smoker without any cracking. I've used cheaper silicone before that got brittle, but these feel substantial and the 70 durometer seals perfectly. Just what I needed for a stubborn valve cover gasket.

Violet A. ★★★★★

These fit perfectly on my espresso machine’s steam wand, and the bright red color makes them easy to spot during cleaning. The silicone seems sturdy and hasn't discolored after several months of daily use.