Mutual Screw & Supply

0.139" CS X 0.359" ID HNBR O-Rings | AS568-204 | Dash 204 | 80 Durometer (100 / Pkg.)

0.139" CS X 0.359" ID HNBR O-Rings | AS568-204 | Dash 204 | 80 Durometer (100 / - Main image
$34.78 $52.69 In stock

HNBR o-rings in AS568-204, 0.359" 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: 204
  • Cross-section: 0.139" (3.53 mm)
  • Inner diameter: 0.359" (9.12 mm)
  • Durometer: 80 Shore A
  • Temperature range: -40°F to +300°F (-40°C to +149°C)
  • Measurement type: Imperial
  • Pack quantity: 100 per package
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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)

Richard ★★★★★

The 0.139" cross-section fits perfectly in my hydraulic fitting, and the HNBR material handles the heat from the pump without any swelling. For the price of a 100-pack, these are a solid value for industrial repairs.

Alexander ★★★★★

I’ve been using these HNBR o-rings in a fuel system application, and the 80 durometer feels just right—firm enough to hold pressure without being brittle. The -40°F to +300°F range was exactly what I needed for winter operation, and the 100-pack gave me plenty of spares. No leaks so far.

Andrew ★★★★★

Finally, o-rings that seal properly on the first try. The 80 durometer is stiff enough for my compressor rebuild, and the -40°F rating gives me confidence for winter storage. A full pack of 100 means I can replace them all without hunting for singles.