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

Buna-N O-Ring, 0.243" ID x 1.765" OD x 0.195" CS, 6061 Aluminum

Expert Overview

High-performance Buna-N O-ring, expertly integrated into a robust 6061 aluminum housing. Engineered for superior sealing integrity in challenging industrial applications.

StandardASTM A106
MaterialAluminum 6061
FinishBlack Oxide
GradeN/A
Inside Diameter0.243"
Outside Diameter1.765"
Cross Section0.195"

Detailed Engineering Specifications

Designed for demanding industrial environments, this O-ring assembly features a Buna-N sealing element housed within a precision-machined 6061 aluminum carrier. The Buna-N material offers excellent resistance to oils, fuels, and many hydraulic fluids, making it ideal for dynamic and static seal applications. The 6061 aluminum provides structural integrity and corrosion resistance. With an inside diameter of 0.243 inches, an outside diameter of 1.765 inches, and a cross-section of 0.195 inches, this assembly ensures a reliable seal against leaks in moderate to high-pressure systems, commonly found in hydraulic cylinders, pneumatic actuators, and fluid power equipment.

🧊 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 and shaft surfaces are clean and free from debris. 2. Carefully lubricate the O-ring and groove with a compatible lubricant. 3. Gently compress the O-ring and insert it into the designated groove, avoiding any twisting or stretching.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardASTM A106

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
Using excessive force during installation, leading to O-ring damage or extrusion.Apply controlled pressure and ensure the O-ring is properly seated before fully assembling the components.
Incorrect lubrication, which can degrade the Buna-N material or cause improper sealing.Always use a lubricant recommended for Buna-N and the specific operating fluid.

Common Applications

  • Hydraulic Systems
  • Pneumatic Cylinders
  • Fluid Power Equipment

⚠️ Engineering Warnings

  • Not suitable for use with strong oxidizing acids or ketones.
  • Operating temperature range for Buna-N is typically -40°F to +257°F (-40°C to +125°C).

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 = 0.243"CS = 0.195"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.