Black Buna-N O-Ring | 54.2mm ID x 5.7mm Wide | 70 Durometer
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Black Buna-N O-Ring | 54.2mm ID x 5.7mm Wide | 70 Durometer

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Black Buna-N O-Ring | 54.2mm ID x 5.7mm Wide | 70 Durometer (80/Pkg.)

Mutual ScrewSKU: ZMUSH5.7X54.2B20
Price:
$34.28per 80( $0.43 each)
Pieces 80
Measurement type Metric
Material Nitrile
Color Black
Cross section 5.7
Cross section shape Round
Durometer 70
Inner diameter 54.2
Outer diameter 65.6
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

High-precision Buna-N O-Ring designed for oil- and fuel-resistant sealing in industrial equipment. Precision-molded cross-section and exact inside-diameter tolerances deliver reliable compression and repeatable seals across assemblies.

Specs

  • Dimensions: Cross-section (CS) 5.7 mm × Inside Diameter (ID) 54.2 mm
  • Material Grade: Buna 70 (NBR)
  • Durometer: 70 Shore A
  • Pack Size: 20 pieces per pack

Features

  • Oil and fuel resistance: Buna 70 (NBR) provides reliable elasticity for sealed joints in oil- and fuel-rich environments.
  • Static sealing performance: Maintains sealing compression under moderate temperatures for consistent long-term integrity.
  • Geometric stability: Circular cross-section ensures uniform compression and dependable seals across assemblies.
  • Sizing accuracy: Precisely molded to 5.7 mm cross-section and 54.2 mm inside diameter for predictable sealing behavior.
  • Packaging practicality: Pack of 20 supports multiple replacements across installations or test setups.
  • Application fit: Suitable for sealing where Buna 70 is specified in oil- and fuel-rich environments.
  • Use-case scenarios: Ideal for automotive fuel lines, hydraulic connections, and industrial equipment requiring reliable oil and fuel compatibility.

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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