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Industrial O-Ring | Buna-N | 5.625" ID x 8.632" OD

Expert Overview

This industrial-grade Buna-N O-ring provides exceptional sealing performance in demanding environments. Engineered with precise dimensions for reliable fluid and gas containment.

StandardASTM A106
MaterialPolycarbonate
FinishBlack Oxide
GradeN/A
Inside Diameter5.625"
Outside Diameter8.632"
Cross Section0.102"

Detailed Engineering Specifications

Trusted by engineers across multiple sectors, this Buna-N O-ring features an inside diameter of 5.625 inches, an outside diameter of 8.632 inches, and a cross-section of 0.102 inches. Buna-N (Nitrile Butadiene Rubber) offers excellent resistance to petroleum-based oils, hydraulic fluids, and fuels, making it a robust choice for sealing in automotive, industrial machinery, and chemical processing applications. Its wide operating temperature range and good abrasion resistance further enhance its suitability for critical sealing functions.

🧊 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 mating groove is clean, free of debris, and properly sized for the O-ring. 2. Lightly lubricate the O-ring and groove with a compatible lubricant if recommended for the application. 3. Carefully install the O-ring into the groove, avoiding stretching or twisting, to achieve a proper seal.

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 the wrong size O-ring, leading to leaks or improper compression.Always verify the O-ring dimensions (ID, OD, CS) against the groove specifications before installation.
Overstretching or twisting the O-ring during installation, causing premature failure.Install the O-ring gently, ensuring it seats evenly in the groove without excessive deformation.

Common Applications

  • Hydraulic Systems
  • Fuel Systems
  • Chemical Processing Equipment
  • Automotive Applications

⚠️ Engineering Warnings

  • Not recommended for use with strong oxidizing agents or certain polar solvents.
  • Verify compatibility with specific media and operating temperatures for optimal performance and safety.

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, Fuel Systems, Chemical Processing Equipment, Automotive Applications.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 5.625"CS = 0.102"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.