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

Buna-N Brass O-Ring - 2.313" ID x 10.224" OD

Expert Overview

This industrial O-ring, crafted from robust Buna-N material and featuring a Brass fitting, provides exceptional sealing performance in a wide array of demanding environments. Its precise dimensions ensure a reliable and long-lasting seal.

StandardASTM A106
MaterialBrass
FinishGalvanized
GradeN/A
Inside Diameter2.313"
Outside Diameter10.224"
Cross Section0.248"

Detailed Engineering Specifications

Specified by design engineers worldwide, this Buna-N O-ring is engineered for critical sealing applications. With an inside diameter of 2.313 inches, an outside diameter of 10.224 inches, and a precise cross-section of 0.248 inches, it offers superior resilience and chemical resistance to oils, fuels, and hydraulic fluids. The integrated Brass fitting ensures secure and corrosion-resistant integration within mating components, making it suitable for moderate pressure systems and environments where material compatibility 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 mating surfaces are clean, dry, and free of debris. 2. Carefully position the O-ring within the designated groove, avoiding excessive stretching or twisting. 3. Apply a light lubricant compatible with Buna-N if necessary for easier assembly, then seat the O-ring firmly.

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

Chemical Composition

Copper (Cu)60.0 - 63.0%
Zinc (Zn)Balance
Lead (Pb)2.5 - 3.7%

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 excessive force during installation, leading to O-ring deformation or damage.Install with moderate pressure, ensuring the O-ring seats correctly without being pinched or stretched beyond its elastic limit.
Incorrect O-ring size selection for the groove or mating component.Verify all dimensions (ID, OD, cross-section) against the application's groove specifications and mating part geometry before installation.

Common Applications

  • Hydraulic systems
  • Pneumatic equipment
  • Fuel and oil handling
  • Automotive components

⚠️ Engineering Warnings

  • Not recommended for use with strong oxidizing acids or ketones.
  • Ensure compatibility with specific fluid 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 Brass.

Q: What are the main applications?

A: Hydraulic systems, Pneumatic equipment, Fuel and oil handling, Automotive components.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 2.313"CS = 0.248"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.