Black Buna-N O-Ring | 169.5mm ID x 8.4mm Wide | 70 Durometer
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Black Buna-N O-Ring | 169.5mm ID x 8.4mm Wide | 70 Durometer

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Black Buna-N O-Ring | 169.5mm ID x 8.4mm Wide | 70 Durometer (8/Pkg.)

Mutual ScrewSKU: ZMUSH8.4X169.5B2
Price:
$33.00per 8( $4.13 each)
Pieces 8
Measurement type Metric
Material Nitrile
Color Black
Cross section 8.4
Cross section shape Round
Durometer 70
Inner diameter 169.5
Outer diameter 186.3
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-Ring seals designed for hydraulic and fluid-sealing applications. Precise geometry delivers reliable compression and repeatable performance in oil- and fuel-rich environments.

Specs

  • Inside Diameter: 169.5 millimeters
  • Cross-Section: 8.4 millimeters
  • Outer Diameter (nominal): 186.3 millimeters
  • Material: Buna-N (NBR)
  • Hardness: 70 Shore A
  • Pack Contents: 2 pieces

Features

  • Oil and fuel resistance: Buna-N (NBR) formulation delivers stable sealing in oil- and fuel-rich environments, reducing leakage risk in hydraulic and fuel transfer systems.
  • Precise geometry: Exact 8.4 millimeters cross-section and 169.5 millimeters inside diameter enable reliable fit within specified housings and grooves.
  • Consistent compression: 70 Shore A hardness provides repeatable sealing performance under thermal cycling and fluctuating pressures common in industrial hydraulics.
  • Maintenance efficiency: Two-piece pack supports straightforward inventory management and planned maintenance schedules without overstocking.
  • Application spectrum: Suitable for hydraulic circuits and fluid-sealing interfaces where reliable seal seating and repeatable performance are required.

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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