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

Titanium Grade 5 Buna-N O-Ring | 0.669" ID x 1.316" OD

Expert Overview

This industrial O-ring features a durable Buna-N sealing element encased in robust Titanium Grade 5 for exceptional chemical resistance and extreme temperature tolerance, ensuring reliable sealing in critical applications.

StandardASME B18
MaterialTitanium Grade 5
FinishZinc Plated
GradeN/A
Inside Diameter0.669"
Outside Diameter1.316"
Cross Section0.178"

Detailed Engineering Specifications

Engineered for reliability and performance, this O-ring boasts a precise Inside Diameter of 0.669 inches, an Outside Diameter of 1.316 inches, and a Cross Section of 0.178 inches. The Buna-N elastomer offers excellent resistance to oils, fuels, and hydraulic fluids, while the Titanium Grade 5 housing provides superior corrosion resistance, high strength-to-weight ratio, and suitability for high-temperature environments up to 400°F (204°C). This combination makes it ideal for demanding aerospace, automotive, and chemical processing applications where material integrity and seal longevity are 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 lubricate the O-ring with a compatible lubricant. 3. Install the O-ring into its designated groove, ensuring it is seated properly without twisting.

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 / ExposedExcellent
Marine / SaltwaterNot Recommended
Chemical / AcidicNot Recommended

Common Mistakes & How to Avoid Them

❌ Mistake✅ Correct Approach
Using the wrong lubricant, leading to material degradation.Always consult the Buna-N compatibility chart for recommended lubricants.
Over-stretching or twisting the O-ring during installation.Handle the O-ring with care and ensure it is installed smoothly into its groove.

Common Applications

  • Aerospace hydraulic systems
  • Automotive fuel and oil seals
  • Chemical processing equipment
  • High-temperature industrial machinery

⚠️ Engineering Warnings

  • Not suitable for ozone, weather, or UV exposure.
  • Verify chemical compatibility for specific process fluids and 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, Automotive fuel and oil seals, Chemical processing equipment, High-temperature industrial machinery.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 0.669"CS = 0.178"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.