Mutual Screw & Supply

0.21" CS X 0.724" ID Silicone O-Rings | AS568-314 | Dash 314 | FDA Compliant | 70 Durometer | Red (100 / Pkg.)

0.21" CS X 0.724" ID Silicone O-Rings | AS568-314 | Dash 314 | FDA Compliant | - Main image
$37.89 $54.91 In stock

Silicone o-rings in AS568-314, 0.724" 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: 314
  • Cross-section: 0.21" (5.33 mm)
  • Inner diameter: 0.724" (18.39 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 (4.6 / 5 · 5 reviews)

Christopher ★★★★★

The red color makes them super easy to spot during assembly, which saves time. They fit perfectly on my pressure relief valve and handle the heat without any issues.

Nicholas K. ★★★★★

I needed a reliable seal for a high-heat application up to 400°F, and these o-rings fit perfectly without any deformation. The red color makes them easy to spot during installation, and they've held up through several thermal cycles already.

Olivia ★★★★★

The temperature range on these is the real seller for me—we’ve run them through both hot and freezing cycles without a single crack. They’re soft enough to seat easily but still hold their shape in the groove, and the red color makes them simple to spot during assembly. Exactly what I needed for the