Mutual Screw & Supply

0.139" CS X 0.609" ID Buna-N Nitrile O-Rings | AS568-208 | Dash 208 | X-Ring | 70 Durometer (400 / Pkg.)

0.139" CS X 0.609" ID Buna-N Nitrile O-Rings | AS568-208 | Dash 208 | X-Ring | - Main image
$40.58 $57.97 In stock

Buna-N Nitrile o-rings in AS568-208, 0.609" 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 (X-Ring)
  • Material: Buna-N Nitrile
  • AS568 dash size: 208
  • Cross-section: 0.139" (3.53 mm)
  • Inner diameter: 0.609" (15.47 mm)
  • Durometer: 70 Shore A
  • Temperature range: -40°F to +250°F (-40°C to +121°C)
  • Measurement type: Imperial
  • Pack quantity: 400 per package
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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 (4.6 / 5 · 5 reviews)

Eva F. ★★★★★

The 70 durometer on these o-rings provides just the right balance of firmness and flexibility for my hydraulic application. I really appreciate the wide service temperature range since they see both cold starts and hot running conditions. With 400 in a pack I've got plenty for current and future pro

Evelyn L. ★★★★★

I’ve been through a lot of o-ring assortments over the years, and these 208s are the first batch where the durometer actually feels consistent across all 400 pieces. They seated perfectly in my hydraulic fittings without any squishing or rolling out, and the -40°F rating gives me peace of mind for w

Alexander B. ★★★★★

The cross-section is exactly 0.139" as listed, and these o-rings seated perfectly in my hydraulic fitting without any binding. I've used them up to about 200°F so far without any sign of hardening or cracking.