Mutual Screw & Supply

0.103" CS X 1.049" ID Buna-N Nitrile O-Rings | AS568-121 | Dash 121 | 90 Durometer (700 / Pkg.)

0.103" CS X 1.049" ID Buna-N Nitrile O-Rings | AS568-121 | Dash 121 | 90 - Main image
$40.43 $56.15 In stock

Buna-N Nitrile o-rings in AS568-121, 1.049" inner diameter by 0.103" 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: 121
  • Cross-section: 0.103" (2.62 mm)
  • Inner diameter: 1.049" (26.64 mm)
  • Durometer: 90 Shore A
  • Temperature range: -40°F to +250°F (-40°C to +121°C)
  • Measurement type: Imperial
  • Pack quantity: 700 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 T. ★★★★★

I was surprised by how precisely they fit into the groove I needed, and the 90 durometer holds up perfectly in my hydraulic application. These will definitely last through multiple cycles.

Violet ★★★★★

I needed a bulk supply of o-rings for rebuilding some hydraulic cylinders, and these 90 durometer Buna-N ones are holding up perfectly under pressure. The 1.049" inner diameter fits snugly.

Matthew ★★★★★

The 90 durometer hardness on these o-rings makes them feel noticeably stiffer than standard ones, which is exactly what I needed for a high-pressure seal. Pack of 700 is a great value for the price, and they fit the groove perfectly.