Mutual Screw & Supply

HNBR O-Rings | AS568-430 | Dash 430 | 80 Durometer (5 / Pkg.)

HNBR O-Rings | AS568-430 | Dash 430 | 80 Durometer (5 / Pkg.) - Main image
$37.91 $57.44 In stock

HNBR o-rings in AS568-430. 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: 430
  • Durometer: 80 Shore A
  • Temperature range: -40°F to +300°F (-40°C to +149°C)
  • Measurement type: Imperial
  • Pack quantity: 5 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 (5.0 / 5 · 5 reviews)

Benjamin ★★★★★

I've been using these HNBR o-rings for a high-temp pneumatic application and they seal perfectly even at 280°F. The -40°F low-end rating gives me peace of mind for winter use.

Matthew O. ★★★★★

The 80 durometer rating is spot on—these seals feel firm and durable without being brittle, and they slid into the groove perfectly on the first try. I've ordered cheaper kits before, but the temperature range listed here gives me confidence for the hot side of my setup.

George ★★★★★

Working on a hot water valve that cycles daily, these HNBR 430s have held up perfectly where standard Buna-N would have hardened. The 80 durometer gives them a firm, reliable seal without being too hard to install.