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

Buna-N O-Ring | Aluminum 6061 | 4.674" ID x 2.319" OD

Expert Overview

This industrial O-ring, constructed from Aluminum 6061, offers robust sealing capabilities. Designed for critical applications, it provides excellent resistance and durability in various industrial environments.

StandardDIN 933
MaterialAluminum 6061
FinishPlain
GradeN/A
Inside Diameter4.674"
Outside Diameter2.319"
Cross Section0.190"

Detailed Engineering Specifications

Specified by design engineers worldwide, this Buna-N O-ring boasts a precise 4.674-inch inside diameter, a 2.319-inch outside diameter, and a 0.190-inch cross-section. The choice of Aluminum 6061 for its housing material ensures excellent corrosion resistance, good machinability, and strength, making it suitable for medium to high-pressure systems. This combination is ideal for applications requiring reliable sealing in the presence of moderate temperatures and non-aggressive fluids, where a robust and dimensionally stable seal 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 the sealing groove is clean, free of debris, and correctly dimensioned. 2. Carefully lubricate the O-ring with a compatible lubricant to prevent damage during installation. 3. Gently insert the O-ring into the groove, avoiding stretching or twisting, and ensure it is seated evenly.

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 a compatible lubricant and avoid excessive pulling or twisting; install with minimal elongation.
Installing into a dirty or damaged groove.Thoroughly clean the groove and inspect for any nicks, burrs, or scratches before proceeding.

Common Applications

  • Hydraulic systems
  • Pneumatic cylinders
  • Pump and valve seals

⚠️ Engineering Warnings

  • Not suitable for use with strong oxidizing acids or abrasive media.
  • Verify material compatibility with the specific operating environment and fluid.

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 Aluminum 6061.

Q: What are the main applications?

A: Hydraulic systems, Pneumatic cylinders, Pump and valve seals.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 4.674"CS = 0.190"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.