Mutual Screw & Supply

0.21" CS X 5.225" ID HNBR O-Rings | AS568-352 | Dash 352 | 80 Durometer (7 / Pkg.)

0.21" CS X 5.225" ID HNBR O-Rings | AS568-352 | Dash 352 | 80 Durometer (7 / - Main image
$39.23 $56.04 In stock

HNBR o-rings in AS568-352, 5.225" 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: 352
  • Cross-section: 0.21" (5.33 mm)
  • Inner diameter: 5.225" (132.71 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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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)

Alexander X. ★★★★★

Installed these on a hydraulic pump flange that sees some heat, and the 80 durometer material handled the pressure without any issues. The cross-section feels noticeably thicker than generic o-rings I've used.

Hannah W. ★★★★★

These fit perfectly on the swivel joint I was rebuilding, and the 80-durometer hardness gives them a solid feel that should hold up under pressure. The -40°F rating is what sold me since my equipment sits outside all winter. Exactly what I needed for the job.

Samuel H. ★★★★★

Had to swap out a worn seal on a hydraulic fitting that's exposed to some serious heat, and these HNBR rings are holding up far better than the old ones did. The 5.225" inner diameter was a perfect match, and the 80 durometer feels nice and firm. No leaks since install, which is exactly what I neede