Black Buna-N O-Ring | 44mm ID x 4mm Wide | 70 Durometer
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Black Buna-N O-Ring | 44mm ID x 4mm Wide | 70 Durometer

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Black Buna-N O-Ring | 44mm ID x 4mm Wide | 70 Durometer (125/Pkg.)

Mutual ScrewSKU: ZMUSH4X44B25
Price:
$30.75per 125( $0.25 each)
Pieces 125
Measurement type Metric
Material Nitrile
Color Black
Cross section 4
Cross section shape Round
Durometer 70
Inner diameter 44
Outer diameter 52
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

125-piece Buna-N O-ring set with 44 millimeter inner diameter and 4 millimeter cross-section is designed for repeatable seals in oil- and fuel-related systems. The material Buna-N nitrile elastomer (Buna 70) provides reliable chemical resistance and compression performance for hydraulic, automotive, and industrial sealing applications.

Specs

  • Dimensions: Inner diameter 44 millimeter; Cross-section 4 millimeter
  • Material: Buna-N nitrile elastomer (Buna 70)
  • Durometer: 70 Shore A
  • Quantity: 125 pieces total (25 pieces per pack)

Features

  • Oil and fuel resistance: Buna-N material delivers sealing performance against hydrocarbon fluids in typical service environments
  • Repeatable seal geometry: Precisely uniform 4 millimeter cross-section and 44 millimeter inner diameter for consistent compression across assemblies
  • Stocking efficiency: 125-piece set with 25-piece packs supports maintenance cycles and inventory planning
  • Metric sizing: Standardized 4x44 millimeter O-ring sizing for broad compatibility with metric hardware
  • Ideal use cases: Automotive fuel systems, hydraulic manifolds, pneumatic actuators, and general-purpose sealing interfaces requiring Buna-N 70 elastomer

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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