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Mr O-Ring 343 EPDM O-Ring, 70A, 3-3/4" ID, 4-1/8" OD, 3/16" CS, Black (Pack of 25)

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$33 USD
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Mr O-Ring 343 EPDM O-Ring - 70A Durometer, 3-3/4" ID, 4-1/8" OD, 3/16" CS, Black (Pack of 25)

EPDM O-ring with 70A durometer for sealing in demanding environments. Includes nominal dimensions: 3-3/4" ID, 4-1/8" OD, 3/16" CS; black color; pack of 25. customer insight: None

Highlights

  • 70A durometer EPDM
  • nominal 3-3/4" ID, 4-1/8" OD
  • pack of 25

Pros

  • EPDM material for sealing
  • 70A durometer for resilience
  • nominal dimensions clearly specified
  • black color for visibility
  • pack of 25
  • consistent sizing

Cons

  • customer data shows no explicit insights
  • no compatibility details provided
  • no price-related info in description

Best For

  • pump seals
  • hydraulic system O-ring replacement
  • plumbing fittings
  • valve assemblies
  • general mechanical seals
  • custom gasket applications

Features

  • EPDM O-ring with 70A durometer specification
  • Nominal 3-3/4" ID and 4-1/8" OD with 3/16" cross-section
  • Actual dimensions 3.725" ID, 4.145" OD, 0.210" CS
  • Black color, packaged as 25 pieces
  • Metric dimension: 94.62 mm ID

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