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Buna-N O-Ring - 4.248" ID x 10.680" OD - 6061 Aluminum

Expert Overview

This high-performance Buna-N O-ring, manufactured from durable 6061 Aluminum, ensures reliable sealing in demanding industrial applications. Its precise dimensions guarantee a secure fit and long-lasting performance.

StandardASME B18
MaterialAluminum 6061
FinishGalvanized
GradeN/A
Inside Diameter4.248"
Outside Diameter10.680"
Cross Section0.262"

Detailed Engineering Specifications

Designed for demanding industrial environments, this Buna-N O-ring features an Inside Diameter of 4.248 inches, an Outside Diameter of 10.680 inches, and a Cross Section of 0.262 inches. The 6061 Aluminum construction provides excellent corrosion resistance and structural integrity, making it suitable for moderate to high-pressure systems. Buna-N (Nitrile Butadiene Rubber) offers good resistance to oils, fuels, and many hydraulic fluids, ensuring effective sealing in dynamic and static applications across a wide temperature range.

🧊 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 from debris. 2. Lubricate the O-ring and groove with a compatible lubricant. 3. Carefully install the O-ring into the groove, avoiding excessive stretching or 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 an incorrect lubricant that degrades Buna-N.Consult the chemical resistance chart for Buna-N to select a compatible lubricant.
Overstretching the O-ring during installation, leading to premature failure.Install the O-ring using minimal stretching, ensuring it seats properly without undue tension.

Common Applications

  • Hydraulic Systems
  • Pneumatic Actuators
  • Fuel Systems

⚠️ Engineering Warnings

  • Not suitable for applications involving strong oxidizing agents or ketones.
  • Ensure operating temperatures remain within the recommended range for Buna-N rubber.

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 Actuators, Fuel Systems.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 4.248"CS = 0.262"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.