Mutual Screw & Supply

0.139" CS X 7.484" ID HNBR O-Rings | AS568-266 | Dash 266 | 80 Durometer (7 / Pkg.)

0.139" CS X 7.484" ID HNBR O-Rings | AS568-266 | Dash 266 | 80 Durometer (7 / - Main image
$34.2 $51.82 In stock

HNBR o-rings in AS568-266, 7.484" inner diameter by 0.139" 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: 266
  • Cross-section: 0.139" (3.53 mm)
  • Inner diameter: 7.484" (190.09 mm)
  • Durometer: 80 Shore A
  • Temperature range: -40°F to +300°F (-40°C to +149°C)
  • Measurement type: Imperial
  • Pack quantity: 7 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 (5.0 / 5 · 5 reviews)

Emily ★★★★★

Was a perfect fit for my pneumatic cylinder rebuild, and the 80 durometer feels solid. The -40°F rating gives me peace of mind for winter use.

Stella T. ★★★★★

Needed these for a high-temp hydraulic repair and the HNBR material held up perfectly under a heat gun test before install. The 0.139" cross-section seats nicely in the groove, no rolling or binding.

Kevin O. ★★★★★

The 0.139" cross-section feels noticeably sturdier than standard o-rings I've used before, and the 7.484" ID fit my flange perfectly. I was worried about hot oil exposure, but so far it's holding up great at 250°F without any leaks.