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

Titanium Grade 5 Buna-N O-Ring | 3.758" OD, 0.186" CS

Expert Overview

Engineered for superior sealing in extreme conditions, this Buna-N O-ring features a robust Titanium Grade 5 construction. Its precise dimensions ensure reliable performance in demanding industrial settings.

StandardISO 9001
MaterialTitanium Grade 5
FinishPlain
GradeN/A
Inside Diameter0.717"
Outside Diameter3.758"
Cross Section0.186"

Detailed Engineering Specifications

Designed for demanding industrial environments, this O-ring boasts exceptional chemical resistance and a broad operating temperature range inherent to Buna-N, further enhanced by the superior strength, corrosion resistance, and lightweight properties of Titanium Grade 5. With an Inside Diameter of 0.717", an Outside Diameter of 3.758", and a Cross Section of 0.186", it offers a precise fit for critical sealing applications. Ideal for hydraulic systems, chemical processing, and high-pressure fluid management where material integrity and 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 the mating grooves are clean, free of debris, and properly lubricated with a compatible lubricant. 2. Carefully stretch the O-ring over the smaller component or into the larger groove, avoiding any sharp edges or excessive stretching. 3. Seat the O-ring fully into its groove, ensuring it is not twisted or pinched during assembly.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardISO 9001

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
O-ring twisting during installationEnsure the O-ring is correctly oriented and not rotated as it's installed. Use a lubricant to reduce friction and facilitate smooth seating.
O-ring being pinched by sharp edgesInspect mating surfaces and grooves for any burrs or sharp edges that could damage the O-ring. Smooth or chamfer these edges before installation.

Common Applications

  • Hydraulic and Pneumatic Systems
  • Chemical Processing Equipment
  • Automotive and Aerospace Fuel Systems

⚠️ Engineering Warnings

  • Verify chemical compatibility of Buna-N with the specific fluid or gas being sealed.
  • Do not use in applications exceeding the temperature or pressure limits of Buna-N or Titanium Grade 5.

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: Hydraulic and Pneumatic Systems, Chemical Processing Equipment, Automotive and Aerospace Fuel Systems.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 0.717"CS = 0.186"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.