Mutual Screw & Supply

0.139" CS X 5.984" ID Silicone O-Rings | AS568-258 | Dash 258 | FDA Compliant | 70 Durometer | Red (20 / Pkg.)

0.139" CS X 5.984" ID Silicone O-Rings | AS568-258 | Dash 258 | FDA Compliant | - Main image
$33.36 $51.32 In stock

Silicone o-rings in AS568-258, 5.984" 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: 258
  • Cross-section: 0.139" (3.53 mm)
  • Inner diameter: 5.984" (151.99 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: 20 per package
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Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

Express Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

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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)

Samuel P. ★★★★★

The 70 durometer red silicone feels just right for my high-temp sealing application, and the FDA compliance gives me peace of mind for food contact situations. These -258 sized rings fit the housing perfectly and haven't shown any wear after a month of near-daily use.

Violet G. ★★★★★

Installed these on a commercial kettle lid and they handled boiling water and steam without any issue. The red color makes them easy to spot during maintenance.

Henry Q. ★★★★★

These fit perfectly on my large-diameter flange, and the red color makes them easy to spot during disassembly. The -80°F rating gives me confidence for our cold storage line, and the 70 durometer feels just right for a firm seal.