Mutual Screw & Supply

0.139" CS X 1.859" ID Silicone O-Rings | AS568-225 | Dash 225 | FDA Compliant | 70 Durometer | Red (100 / Pkg.)

0.139" CS X 1.859" ID Silicone O-Rings | AS568-225 | Dash 225 | FDA Compliant | - Main image
$41.73 $58.78 In stock

Silicone o-rings in AS568-225, 1.859" inner diameter by 0.139" 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: 225
  • Cross-section: 0.139" (3.53 mm)
  • Inner diameter: 1.859" (47.22 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: 100 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)

Timothy O. ★★★★★

Finally found o-rings that can handle my sous vide setup without degrading, these red silicone ones seat perfectly in the lid groove. The 70 durometer feels just right—firm enough to seal but not too stiff to install.

Edward S. ★★★★★

I needed a high-temp silicone seal for a steam valve, and these 70-durometer rings seated perfectly without any deformation. The red color makes them easy to spot during maintenance checks.

Hazel V. ★★★★★

These seals handled a hot oil leak in my workshop press without any visible wear, and the red color makes them easy to spot when I'm sorting through my kit. The stated -80°F rating is reassuring for winter projects too. For a hundred FDA-compliant rings at this price, I can't complain about the valu