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Mr O-Ring 345 EPDM O-Ring 4" ID 4-3/8" OD 3/16" CS Black (Pack of 25)

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$34 USD
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Mr O-Ring 345 EPDM O-Ring - 70A Durometer, 4" ID, 4-3/8" OD, 3/16" CS, Black (Pack of 25)

345 EPDM O-Ring with 70A durometer. Nominal 4" ID, 4-3/8" OD, 3/16" cross-section in black. Pack of 25 for multiple replacements. Customer notes provide contextual insight

Highlights

  • 345 EPDM material
  • 70A durometer
  • pack of 25

Pros

  • EPDM material suitable for sealing
  • 70A durometer for flexibility
  • precise nominal dimensions
  • pack of 25 for bulk needs
  • black color for visibility and compatibility

Cons

  • customer insights: text: None
  • no explicit compatibility details provided
  • dimensions are nominal; actual may vary

Best For

  • gasket sealing in equipment
  • replacement O-ring for fluid systems
  • industrial machinery seals
  • plumbing or hydraulic assemblies
  • maintenance and repair kits
  • prototype or test rigs

Features

  • EPDM material with 70A durometer for standard sealing applications
  • Nominal 4.0 in ID and 4-3/8 in OD, 3/16 in cross-section
  • Actual dimensions: 3.975 in ID, 4.395 in OD, 0.210 in CS
  • Metric dimensions: 100.97 mm ID
  • Pack of 25 black O-rings

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