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Buna-N Carbon Steel O-Ring - 6.337" ID x 3.449" OD

Expert Overview

This robust industrial O-ring, constructed from Buna-N and housed within a carbon steel casing, delivers exceptional sealing performance. Its precise dimensions ensure a secure fit in demanding industrial environments.

StandardASME B18
MaterialCarbon Steel
FinishPlain
GradeN/A
Inside Diameter6.337"
Outside Diameter3.449"
Cross Section0.126"

Detailed Engineering Specifications

Manufactured under strict quality controls, this Buna-N O-ring features a nominal inside diameter of 6.337 inches, an outside diameter of 3.449 inches, and a cross-section of 0.126 inches. The Buna-N (Nitrile) material offers excellent resistance to oils, fuels, hydraulic fluids, and general chemicals, making it suitable for a wide range of operating temperatures. The carbon steel housing provides enhanced structural integrity and pressure resistance for critical sealing applications.

🧊 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:Yes

Installation Procedure

1. Clean both the groove and the O-ring thoroughly to remove any debris or contaminants. 2. Carefully install the O-ring into the designated groove, ensuring it is not twisted or stretched. 3. Verify proper seating and compression of the O-ring before assembling mating components.

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

Chemical Composition

Carbon (C)0.28 - 0.55%
Manganese (Mn)0.60 - 0.90%
Phosphorus (P)0.04% max
Sulfur (S)0.05% max

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
Twisting or stretching the O-ring during installation.Install the O-ring gently into the groove, avoiding excessive force or deformation. Lubrication may be used if recommended for the specific application.
Using a dirty groove or O-ring.Thoroughly clean all sealing surfaces and the O-ring itself before installation to prevent premature failure or leaks.

Common Applications

  • Hydraulic systems
  • Pneumatic cylinders
  • Fuel lines and systems
  • Oil and gas exploration equipment

⚠️ Engineering Warnings

  • Not suitable for high concentrations of ozone, ketones, esters, or chlorinated hydrocarbons.
  • Ensure compatibility of the Buna-N material with the specific media and operating 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 Carbon Steel.

Q: What are the main applications?

A: Hydraulic systems, Pneumatic cylinders, Fuel lines and systems, Oil and gas exploration equipment.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 6.337"CS = 0.126"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.