Mutual Screw & Supply

0.21" CS X 0.537" ID EPDM O-Rings | AS568-311 | Dash 311 | 70 Durometer | Black (130 / Pkg.)

0.21" CS X 0.537" ID EPDM O-Rings | AS568-311 | Dash 311 | 70 Durometer | Black - Main image
$35.6 $50.14 In stock

EPDM o-rings in AS568-311, 0.537" inner diameter by 0.21" cross-section. Service range -65°F to +300°F (-54°C to +149°C). Also known as EPM, EPR, Nordel, Vistalon.

Specifications

  • Product type: O-Ring
  • Material: EPDM
  • AS568 dash size: 311
  • Cross-section: 0.21" (5.33 mm)
  • Inner diameter: 0.537" (13.64 mm)
  • Durometer: 70 Shore A
  • Color: Black
  • Temperature range: -65°F to +300°F (-54°C to +149°C)
  • Measurement type: Imperial
  • Pack quantity: 130 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 (4.6 / 5 · 5 reviews)

Steven ★★★★★

Used a couple to replace old seals on a coolant line, and they held up fine at 200°F. The 70 durometer is soft enough to seat easily but still feels durable.

Andrew ★★★★★

I needed o-rings for a hot water valve on an old machine, and these EPDM ones handle the 300°F max perfectly without any signs of wear. The 0.537" inner diameter was an exact match for the groove, saving me a return trip.

Olivia M. ★★★★★

The -65°F low-temp rating is what sold me, since my outdoor setup sees brutal winters. The 70 durometer feels just right for the seal I needed, and a full pack of 130 means I won't be running out anytime soon.