Mutual Screw & Supply

0.139" CS X 2.234" ID Buna-N Nitrile O-Rings | AS568-228 | Dash 228 | 50 Durometer (100 / Pkg.)

0.139" CS X 2.234" ID Buna-N Nitrile O-Rings | AS568-228 | Dash 228 | 50 - Main image
$41.92 $55.89 In stock

Buna-N Nitrile o-rings in AS568-228, 2.234" inner diameter by 0.139" cross-section. Service range -40°F to +250°F (-40°C to +121°C). Also known as NBR, Buna-N, Chemigum, Hycar, Perbunan.

Specifications

  • Product type: O-Ring
  • Material: Buna-N Nitrile
  • AS568 dash size: 228
  • Cross-section: 0.139" (3.53 mm)
  • Inner diameter: 2.234" (56.74 mm)
  • Durometer: 50 Shore A
  • Temperature range: -40°F to +250°F (-40°C to +121°C)
  • Measurement type: Imperial
  • Pack quantity: 100 per package
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Express Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

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Standard Shipping · United States: $0.00

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)

Isabella D. ★★★★★

The 50 durometer softness is exactly what I needed for a low-pressure seal that still conforms to the housing. Fit the 2.234" bore perfectly with zero fuss, and the -40°F rating gives me peace of mind for winter outdoor gear. These are a solid value for a hundred pieces.

Joshua ★★★★★

After struggling with a leaky hydraulic fitting for weeks, these o-rings solved it on the first try. The -40°F temperature rating gave me confidence for our outdoor equipment. I've already ordered another package for spares.

Ella ★★★★★

The 50 durometer felt just right for my pneumatic actuator rebuild—soft enough to seal without being too squishy. These 2.234" ID rings fit the groove perfectly on the first try. I'll definitely reorder when I run low.