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

Titanium Grade 5 Buna-N O-Ring | 1.865" ID x 2.020" OD

Expert Overview

This industrial O-ring combines the robust sealing capabilities of Buna-N with the exceptional strength and corrosion resistance of Titanium Grade 5. Engineered for reliability in critical applications.

StandardASME B18
MaterialTitanium Grade 5
FinishBlack Oxide
GradeN/A
Inside Diameter1.865"
Outside Diameter2.020"
Cross Section0.268"

Detailed Engineering Specifications

Manufactured under strict quality controls, this Buna-N O-ring features a 1.865-inch inside diameter, a 2.020-inch outside diameter, and a 0.268-inch cross-section. The advanced Titanium Grade 5 construction provides superior tensile strength, fatigue resistance, and excellent performance in aggressive chemical environments and extreme temperatures. Ideal for aerospace, medical, and high-pressure hydraulic systems where material integrity is paramount.

🧊 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 place the O-ring into the designated groove or gland. 3. Apply a light lubricant compatible with Buna-N and the application environment if necessary.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardASME B18

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, potentially nicking or stretching the O-ring.Handle the O-ring with care and use appropriate tools or lubrication to ease installation without deformation.
Installing the O-ring in a contaminated groove or on dirty mating surfaces.Thoroughly clean all sealing surfaces before O-ring installation to prevent leaks and premature failure.

Common Applications

  • Aerospace Hydraulic Systems
  • Medical Device Sealing
  • High-Pressure Fluid Handling

⚠️ Engineering Warnings

  • Verify compatibility of Buna-N with specific media and operating temperatures.
  • Do not exceed the maximum pressure or temperature ratings for this O-ring.

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, Medical Device Sealing, High-Pressure Fluid Handling.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 1.865"CS = 0.268"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.