Mutual Screw & Supply

0.21" CS X 1.6" ID HNBR O-Rings | AS568-326 | Dash 326 | 80 Durometer (16 / Pkg.)

0.21" CS X 1.6" ID HNBR O-Rings | AS568-326 | Dash 326 | 80 Durometer (16 / - Main image
$35.91 $51.3 In stock

HNBR o-rings in AS568-326, 1.6" inner diameter by 0.21" cross-section. Service range -40°F to +300°F (-40°C to +149°C). Also known as HSN, Highly Saturated Nitrile.

Specifications

  • Product type: O-Ring
  • Material: HNBR
  • AS568 dash size: 326
  • Cross-section: 0.21" (5.33 mm)
  • Inner diameter: 1.6" (40.64 mm)
  • Durometer: 80 Shore A
  • Temperature range: -40°F to +300°F (-40°C to +149°C)
  • Measurement type: Imperial
  • Pack quantity: 16 per package
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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 (4.6 / 5 · 5 reviews)

Nicholas ★★★★★

The -40°F low-temp rating was the main reason I bought these, and they sealed perfectly during a recent cold-weather repair job on outdoor equipment. The 80 durometer feels firm but flexible enough to install without cracking, and the 16-pack is a good value for the price.

William ★★★★★

These seals handled the 300°F max temp I needed for a hydraulic repair without any softening or leaks, and the 80 durometer gave them just the right firmness for the groove. Much better than the generic Buna-N I tried before.

Emily B. ★★★★★

These 80 durometer HNBR rings feel noticeably more durable than standard Buna-N, which is exactly what I needed for a hot water application. The 0.21" cross-section gives a nice, snug fit in the groove. Perfect seal on the first try.