Mutual Screw & Supply

0.139" CS X 3.234" ID HNBR O-Rings | AS568-236 | Dash 236 | 80 Durometer (16 / Pkg.)

0.139" CS X 3.234" ID HNBR O-Rings | AS568-236 | Dash 236 | 80 Durometer (16 / - Main image
$35.22 $53.36 In stock

HNBR o-rings in AS568-236, 3.234" 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: 236
  • Cross-section: 0.139" (3.53 mm)
  • Inner diameter: 3.234" (82.14 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 · 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 (4.8 / 5 · 5 reviews)

Sophia H. ★★★★★

The 0.139" cross-section on these HNBR o-rings fixed an air compressor leak that softer seals couldn't handle, and they held up fine through several hot cycles already.

Owen ★★★★★

I needed a replacement for a worn seal in a high-temp pneumatic system, and these HNBR rings have held up perfectly at 280°F so far. The 80 durometer feels just right—firm but not brittle during installation.

Elizabeth P. ★★★★★

The 3.234" inner diameter fit my hydraulic cylinder perfectly, and the 80 durometer feels solid yet flexible enough for a tight seal. I've had them in service at 250°F for a week now with zero leaks, which beats the cheap rubber ones I used before.