Mutual Screw & Supply

HNBR O-Rings | AS568-155 | Dash 155 | 80 Durometer (25 / Pkg.)

HNBR O-Rings | AS568-155 | Dash 155 | 80 Durometer (25 / Pkg.) - Main image
$37.46 $55.09 In stock

HNBR o-rings in AS568-155. 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: 155
  • Durometer: 80 Shore A
  • Temperature range: -40°F to +300°F (-40°C to +149°C)
  • Measurement type: Imperial
  • Pack quantity: 25 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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Delivery costs

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Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

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Returning an item

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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 (4.8 / 5 · 5 reviews)

Emma Y. ★★★★★

I've been using these HNBR o-rings on a fuel system rebuild and the 80 durometer feels noticeably firmer than standard Buna-N, which gives me confidence they’ll hold up under the heat. They seated perfectly in the groove without any extra effort.

Abigail T. ★★★★★

Used these in a high-temp engine bay application where standard Buna-N would have melted. The 80 durometer is noticeably stiffer than other o-rings I've tried, but they sealed perfectly on the first try and haven't leaked a drop.

Violet E. ★★★★★

Finally got around to replacing the old seals on my compressor and these HNBR ones slipped right in without any fuss. The -40°F to 300°F range is exactly what I needed for the outdoor unit, and the 80 durometer feels firm but not brittle. Already ordered another pack for spares.