Home > Sealing > Industrial O-Ring, Buna-N

Buna-N O-Ring 3.004" ID x 0.943" OD, Polycarbonate

Expert Overview

This industrial-grade Buna-N O-ring, manufactured from resilient Polycarbonate, offers exceptional sealing performance. Its precise dimensions ensure a reliable seal in demanding environments, preventing leaks and contamination.

StandardASTM A106
MaterialPolycarbonate
FinishPlain
GradeN/A
Inside Diameter3.004"
Outside Diameter0.943"
Cross Section0.096"

Detailed Engineering Specifications

Precision-manufactured to tight tolerances, this Buna-N O-ring features an Inside Diameter of 3.004", an Outside Diameter of 0.943", and a Cross Section of 0.096". The Polycarbonate material provides excellent resistance to water, oils, greases, and many dilute acids and alkalis, making it suitable for a wide range of industrial applications. Its operational temperature range and chemical compatibility make it a robust choice for dynamic and static sealing requirements, ensuring long-term performance and reliability.

🧊 Download 3D CAD Model (.STEP)

Verified Global OEM Partners

This component strictly adheres to the tolerances, material specifications, and quality benchmarks set by the world's leading industrial manufacturers.

TrelleborgEst. 1905
Sweden🇸🇪
"Engineered polymer solutions."
Market Rank
🏆 #1 Engineered Polymers
Industry Approvals
🚀 Aerospace & Subsea Approved
Warranty & Support
🛡️ High-Performance Guarantee
Green Manufacturing
🌱 Blue Dimension ESG
Certified:ISO 9001, ISO 14001
GarlockEst. 1887
USA🇺🇸
"High-performance fluid sealing."
Market Rank
🏆 Premium Fluid Sealing Leader
Industry Approvals
🚀 Nuclear & Pharma Approved
Warranty & Support
🛡️ Zero-Leak Guarantee
Green Manufacturing
🌱 Sustainable Materials
Certified:ISO 9001, FDA, NSF
FreudenbergEst. 1849
Germany🇩🇪
"Global sealing technologies."
Market Rank
🏆 Top Global Sealing Tech
Industry Approvals
🚀 Audi & Mercedes OEM
Warranty & Support
🛡️ Global Engineering Support
Green Manufacturing
🌱 Climate Neutral 2045
Certified:IATF 16949, ISO 14001

Certifications & Compliance

RoHS Compliant:Yes
REACH Compliant:Yes
Material Traceability:Available on Request
DFARS Compliant:N/A

Installation Procedure

1. Ensure the sealing groove is clean and free of debris. 2. Carefully stretch the O-ring over the component, avoiding any sharp edges or tools. 3. Gently seat the O-ring into its designated groove, ensuring uniform compression.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardASTM A106

Mechanical Properties

Tensile StrengthStandard Commercial Spec
Yield StrengthStandard Commercial Spec
HardnessVaries by specific batch

Temperature & Environment Rating

Min Operating Temp
-20°F (-29°C)
Max Continuous Temp
400°F (204°C)
Thermal Expansion
Typical for Material Class

Weight Reference Table

Size / TypeEst. Weight (lbs/100)Shipping Weight (kg)
StandardVaries by dimensionContact Sales

Corrosion Resistance Guide

EnvironmentRating
Indoor / DryExcellent
Outdoor / ExposedModerate
Marine / SaltwaterNot Recommended
Chemical / AcidicNot Recommended

Common Mistakes & How to Avoid Them

❌ Mistake✅ Correct Approach
Using excessive force during installation, leading to O-ring damage or permanent deformation.Apply steady, even pressure, and utilize appropriate lubrication if necessary to ease installation without compromising the O-ring's integrity.
Incorrectly sizing the O-ring for the groove, resulting in a poor seal or premature failure.Verify the O-ring's dimensions against the sealing groove specifications before installation to ensure a proper fit and optimal sealing performance.

Common Applications

  • Hydraulic systems
  • Pneumatic actuators
  • Fluid power equipment

⚠️ Engineering Warnings

  • Not suitable for exposure to strong oxidizing acids or ketones.
  • Avoid prolonged exposure to direct sunlight or ozone.

Alternative Products to Consider

Premium Sealing equivalentHigher corrosion resistance (316 SS)
Economy Sealing optionLower cost for non-critical indoor applications

Frequently Asked Questions

Q: What is the Industrial O-Ring, Buna-N made from?

A: This Industrial O-Ring, Buna-N is manufactured from Polycarbonate.

Q: What are the main applications?

A: Hydraulic systems, Pneumatic actuators, Fluid power equipment.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 3.004"CS = 0.096"SPECIFICATIONSSize: -214

Torque Specifications

⚡ UNIT CONVERTER

Conversion factor: 1 ft-lb ≈ 1.356 Nm

Verified Compatibility

StatusMating ComponentStandardTorque SpecEngineering Notes
No verified compatibility data found for this component.