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Buna-N Carbon Steel O-Ring | 2.351" ID x 2.485" OD

Expert Overview

This industrial O-ring, crafted from robust Buna-N material and housed within a carbon steel casing, provides reliable sealing in demanding environments. Its precise dimensions ensure a secure fit for critical applications.

StandardASTM A106
MaterialCarbon Steel
FinishZinc Plated
GradeN/A
Inside Diameter2.351"
Outside Diameter2.485"
Cross Section0.234"

Detailed Engineering Specifications

Trusted by engineers across multiple sectors, this Buna-N O-ring features a nominal Inside Diameter of 2.351 inches, an Outside Diameter of 2.485 inches, and a Cross Section of 0.234 inches. The Buna-N compound offers excellent resistance to petroleum-based oils, fuels, and hydraulic fluids, making it suitable for a wide range of industrial machinery, automotive components, and fluid power systems where robust sealing against common industrial chemicals is paramount. The carbon steel housing provides structural integrity and enhanced durability in high-pressure scenarios.

🧊 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:Yes

Installation Procedure

1. Ensure the mating groove is clean, free of debris, and has a smooth surface finish. 2. Carefully lubricate the O-ring with a compatible lubricant to facilitate installation and prevent damage. 3. Gently install the O-ring into its designated groove, ensuring it is seated evenly and without twisting.

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

Carbon (C)0.28 - 0.55%
Manganese (Mn)0.60 - 0.90%
Phosphorus (P)0.04% max
Sulfur (S)0.05% max

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
Overtightening during installation, causing excessive compression and premature failure.Install the O-ring with just enough force to seat it, avoiding unnecessary stretching or deformation.
Using incompatible lubricants that degrade the Buna-N material.Refer to the material compatibility chart for Buna-N and select a lubricant that is approved for use with this elastomer.

Common Applications

  • Hydraulic cylinders and pumps
  • Fuel and oil handling systems
  • Automotive engine seals

⚠️ Engineering Warnings

  • Not suitable for use with ozone, ketones, esters, or chlorinated hydrocarbons.
  • Performance may be compromised at extreme temperatures outside the recommended operating range for Buna-N.

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 Carbon Steel.

Q: What are the main applications?

A: Hydraulic cylinders and pumps, Fuel and oil handling systems, Automotive engine seals.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 2.351"CS = 0.234"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.