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

Titanium Grade 5 Buna-N O-Ring | 8.663" ID | 4.522" OD

Expert Overview

This industrial O-ring, constructed from robust Buna-N and featuring a Titanium Grade 5 casing, offers exceptional sealing in demanding applications. Its precise dimensions ensure a secure fit for reliable fluid and gas containment.

StandardASTM A106
MaterialTitanium Grade 5
FinishPassivated
GradeN/A
Inside Diameter8.663"
Outside Diameter4.522"
Cross Section0.132"

Detailed Engineering Specifications

Precision-manufactured to tight tolerances, this Buna-N O-ring boasts an Inside Diameter of 8.663 inches and an Outside Diameter of 4.522 inches, with a Cross Section of 0.132 inches. The Buna-N elastomer provides excellent resistance to oils, fuels, and hydraulic fluids, while the Titanium Grade 5 outer shell imparts superior strength, corrosion resistance, and stability at elevated temperatures, making it suitable for aerospace, chemical processing, and high-pressure hydraulic systems.

🧊 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 mating surfaces are clean and free of debris. 2. Carefully position the O-ring within its groove, avoiding stretching or twisting. 3. Apply a thin layer of compatible lubricant to facilitate installation and prevent damage.

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
Overtightening fasteners, crushing the O-ring.Adhere to specified torque values for all fasteners to prevent O-ring extrusion and premature failure.
Using incompatible lubricants or cleaning agents.Consult chemical compatibility charts for appropriate lubricants and cleaning solutions to maintain O-ring integrity.

Common Applications

  • Aerospace hydraulic systems
  • Chemical processing equipment
  • High-pressure fluid power systems

⚠️ Engineering Warnings

  • Not recommended for use with strong oxidizing acids or ketones.
  • Verify material compatibility with specific media and operating temperatures.

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 Titanium Grade 5.

Q: What are the main applications?

A: Aerospace hydraulic systems, Chemical processing equipment, High-pressure fluid power systems.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 8.663"CS = 0.132"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.