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

Buna-N O-Ring | Aluminum 6061 | 4.116" ID x 1.302" OD

Expert Overview

This precision Buna-N O-ring, housed within a robust Aluminum 6061 retainer, ensures exceptional sealing performance. Engineered for critical industrial applications, it offers superior resistance and longevity.

StandardDIN 933
MaterialAluminum 6061
FinishPlain
GradeN/A
Inside Diameter4.116"
Outside Diameter1.302"
Cross Section0.100"

Detailed Engineering Specifications

A high-performance industrial component, this Buna-N O-ring features a precise inside diameter of 4.116 inches, an outside diameter of 1.302 inches, and a cross-section of 0.100 inches. The Aluminum 6061 housing provides excellent structural integrity and corrosion resistance, making it suitable for a wide range of environments. Buna-N's inherent resistance to oils, fuels, and hydraulic fluids, combined with the alloy's strength, ensures reliable, leak-free operation in demanding industrial machinery and fluid power systems.

🧊 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 groove surfaces are clean and free of debris. 2. Carefully insert the O-ring into its designated groove, avoiding any stretching or twisting. 3. Confirm proper seating of the O-ring before assembly of mating components.

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.Gently ease the O-ring into the groove without excessive pulling or deformation.
Using a sharp object to force the O-ring into place.Employ a rounded, non-marring tool or use fingers to seat the O-ring.

Common Applications

  • Hydraulic systems
  • Pneumatic cylinders
  • Fluid power equipment

⚠️ Engineering Warnings

  • Not recommended for use with high concentrations of ketones, esters, or strong acids.
  • Ensure operating temperatures remain within the recommended range for Buna-N to maintain sealing integrity.

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, Fluid power equipment.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 4.116"CS = 0.100"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.