Black Buna-N O-Ring | 87mm ID x 3.5mm Wide | 70 Durometer
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Black Buna-N O-Ring | 87mm ID x 3.5mm Wide | 70 Durometer

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Black Buna-N O-Ring | 87mm ID x 3.5mm Wide | 70 Durometer (60/Pkg.)

Mutual ScrewSKU: ZMUSH3.5X87B10
Price:
$33.48per 60( $0.56 each)
Pieces 60
Measurement type Metric
Material Nitrile
Color Black
Cross section 3.5
Cross section shape Round
Durometer 70
Inner diameter 87
Outer diameter 94
Temp range '-40°F to +250°F (-40°C to +121°C)
Weight 0.5 lb

WARNING: This product can expose you to chemicals including lead and lead compounds, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to https://www.P65Warnings.ca.gov.

Description

Professional-grade Buna-N O-Rings designed for industrial sealing tasks. This 60-piece set provides 87 millimeter inner diameter and 3.5 millimeter cross-section rings with 70 Shore A hardness for reliable, oil- and solvent-resistant seals in industrial equipment.

Specs

  • Inner diameter: 87 millimeters
  • Cross-section: 3.5 millimeters
  • Material grade: Buna 70 (NBR)
  • Durometer: 70 Shore A
  • Finish: Black

Features

  • Oil- and solvent-resistance: Buna 70 elastomer formulation suitable for seals in industrial equipment.
  • Precise sizing: 3.5 millimeter cross-section with 87 millimeter inner diameter ensures reliable gasket fit.
  • Low compression set: Maintains seal integrity over time with good dimensional stability under typical operating temperatures.
  • Packaging efficiency: 60 pieces total in packs of 10 pieces support organized stocking and multiple seal replacements.
  • Material compatibility: Buna-N is compatible with lubricants and mineral oils commonly used in industrial systems.
  • Form factor: Ring/seal component designed for standard groove profiles and seal assemblies.
  • Ideal use cases: Sealing tasks in hydraulic and pneumatic systems, gearboxes, pumps, and fluid handling equipment.

Can We Help?

If you’re not sure that this product is right for you, give us a call!
800-222-0324

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