Mutual Screw & Supply

0.139" CS X 0.546" ID Silicone O-Rings | AS568-207 | Dash 207 | FDA Compliant | 70 Durometer | Red (250 / Pkg.)

0.139" CS X 0.546" ID Silicone O-Rings | AS568-207 | Dash 207 | FDA Compliant | - Main image
$34.19 $53.42 In stock

Silicone o-rings in AS568-207, 0.546" 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: 207
  • Cross-section: 0.139" (3.53 mm)
  • Inner diameter: 0.546" (13.87 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: 250 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 (5.0 / 5 · 5 reviews)

Sophia M. ★★★★★

These o-rings fit perfectly on my brewing kettle's thermometer port, and the red color makes them easy to spot during cleaning. The silicone feels durable but pliable enough to seat properly, definitely worth getting the 250-pack.

Robert ★★★★★

This is the third time I've ordered these red silicone o-rings for my hot water equipment, and they're the only ones that hold up at 450°F without getting brittle. The -80°F low-temperature rating is a bonus for winter repairs.

Harper R. ★★★★★

Finally found o-rings that can handle my sous vide setup’s high heat cycles without cracking—these red ones have stayed pliable after weeks of near-boiling water. The 70 durometer is firm enough for a snug seal yet easy to work into the groove.