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

Titanium Grade 5 Buna-N O-Ring | 3.934" ID x 5.730" OD

Expert Overview

This industrial O-ring, crafted from robust Buna-N material with a Titanium Grade 5 casing, offers exceptional sealing performance in extreme environments. Engineered for reliability and durability.

StandardASTM A106
MaterialTitanium Grade 5
FinishPassivated
GradeN/A
Inside Diameter3.934"
Outside Diameter5.730"
Cross Section0.099"

Detailed Engineering Specifications

Precision-manufactured to tight tolerances, this O-ring boasts an Inside Diameter of 3.934 inches, an Outside Diameter of 5.730 inches, and a Cross Section of 0.099 inches. The Buna-N elastomer provides excellent resistance to oils, fuels, and hydraulic fluids, while the Titanium Grade 5 casing imparts superior strength, corrosion resistance, and thermal stability, making it ideal for high-pressure, high-temperature, and chemically aggressive environments where standard elastomers would fail. Its specific material composition and dimensions ensure a secure, leak-proof seal in critical industrial operations.

🧊 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 and free of debris. 2. Carefully lubricate the O-ring with a compatible lubricant. 3. Gently install the O-ring into the groove, avoiding any stretching or twisting.

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.Apply gentle pressure and use appropriate tools to guide the O-ring into the groove without stretching or pinching.
Incorrect lubricant selection, causing material degradation.Always use a lubricant specifically recommended for Buna-N and the operating environment.

Common Applications

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

⚠️ Engineering Warnings

  • Verify compatibility of Buna-N with specific media and operating temperatures before application.
  • Ensure the Titanium Grade 5 casing is not subjected to galvanic corrosion in mixed-metal assemblies.

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 = 3.934"CS = 0.099"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.