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

Titanium Grade 5 O-Ring - Buna-N Seal | 3.723" ID

Expert Overview

This industrial O-ring, constructed from robust Titanium Grade 5 and featuring a Buna-N sealing element, offers exceptional durability and chemical resistance for critical sealing applications.

StandardDIN 933
MaterialTitanium Grade 5
FinishPassivated
GradeN/A
Inside Diameter3.723"
Outside Diameter2.796"
Cross Section0.121"

Detailed Engineering Specifications

Precision-manufactured to tight tolerances, this O-ring boasts an inside diameter of 3.723 inches, an outside diameter of 2.796 inches, and a cross-section of 0.121 inches. The advanced Buna-N material provides excellent resistance to oils, fuels, and many hydraulic fluids, while the Titanium Grade 5 housing ensures superior strength, corrosion resistance, and temperature stability, making it ideal for environments where traditional elastomers may fail. This combination guarantees reliable sealing performance under extreme pressures and challenging chemical exposures.

🧊 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 within specified tolerances. 2. Carefully lubricate the O-ring with a compatible lubricant to prevent tearing and ease installation. 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 StandardDIN 933

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
Overstretching the O-ring during installation.Use appropriate tools and lubricant to slide the O-ring into the groove without excessive elongation.
Using incompatible lubricants or cleaning agents.Always consult compatibility charts for Buna-N and Titanium Grade 5 before applying any lubricant or cleaning solution.

Common Applications

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

⚠️ Engineering Warnings

  • Ensure material compatibility with the specific fluid and operating temperature range.
  • Do not use abrasive cleaning tools on the O-ring or groove, as this can damage sealing surfaces.

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 fluid systems, Chemical processing equipment, High-pressure hydraulic systems.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 3.723"CS = 0.121"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.