Black Buna-N O-Ring | 78mm ID x 4mm Wide | 70 Durometer
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Black Buna-N O-Ring | 78mm ID x 4mm Wide | 70 Durometer

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Black Buna-N O-Ring | 78mm ID x 4mm Wide | 70 Durometer (60/Pkg.)

Mutual ScrewSKU: ZMUSH4X78B10
Price:
$34.62per 60( $0.58 each)
Pieces 60
Measurement type Metric
Material Nitrile
Color Black
Cross section 4
Cross section shape Round
Durometer 70
Inner diameter 78
Outer diameter 86
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 reliable metric-size sealing in fluid and mechanical assemblies. This batch comprises sixty seals with a 78 millimeter inside diameter and a 4 millimeter cross-section, molded from Buna-N elastomer at 70 Shore A.

Specs

  • Dimensions: Inside diameter 78 millimeters; Cross-section 4 millimeters
  • Material grade: Buna-N elastomer (Buna 70)
  • Durometer: 70 Shore A

Features

  • Pack configuration: 10 pieces per pack; total quantity 60 pieces
  • Material: Buna-N elastomer (Buna 70)
  • Size specification: Metric sizing aligns with standard equipment specifications; fits 78 millimeter inside diameter and 4 millimeter cross-section O-rings
  • Functional benefits: Elastomeric sealing for standard fluid and mechanical assemblies, enabling reliable leak prevention across maintenance and repair workflows
  • Use cases: Replacement O-rings in equipment and assemblies requiring metric-size Buna-N seals; suitable for multiproject replacement kits and field service inventory

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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