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Buna-N Industrial O-Ring | Carbon Steel, 3.082" ID

Expert Overview

Engineered for robust sealing in industrial environments, this Buna-N O-ring is constructed from high-grade carbon steel. Its precise dimensions ensure a leak-proof fit in critical applications, offering exceptional durability and chemical resistance.

StandardISO 9001
MaterialCarbon Steel
FinishGalvanized
GradeN/A
Inside Diameter3.082"
Outside Diameter1.114"
Cross Section0.149"

Detailed Engineering Specifications

Precision-manufactured to tight tolerances, this industrial O-ring features an Inside Diameter of 3.082 inches, an Outside Diameter of 1.114 inches, and a Cross Section of 0.149 inches. The Buna-N (Nitrile) elastomer offers excellent resistance to oils, fuels, and many hydraulic fluids, making it suitable for moderate temperature ranges. The carbon steel construction provides superior structural integrity and resistance to crushing under high pressure, ensuring long-term performance in demanding hydraulic, pneumatic, and general industrial sealing applications.

🧊 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 properly dimensioned. 2. Lightly lubricate the O-ring and groove with a compatible lubricant if recommended for the application. 3. Carefully install the O-ring into the groove, avoiding any stretching or twisting, and ensure it seats evenly.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardISO 9001

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
Stretching the O-ring during installation.Install the O-ring without excessive stretching to prevent premature failure and loss of sealing integrity.
Using an incompatible lubricant or no lubricant at all.Consult compatibility charts for lubricants suitable for Buna-N and the specific fluid being sealed. Proper lubrication eases installation and protects the O-ring.
Installing into a dirty or damaged groove.Always clean and inspect the groove for any nicks, burrs, or contaminants before installation to prevent leaks and O-ring damage.

Common Applications

  • Hydraulic Systems
  • Pneumatic Cylinders
  • Fuel and Oil Systems
  • General Industrial Machinery

⚠️ Engineering Warnings

  • Not suitable for exposure to ozone, strong acids, or polar solvents.
  • Operating temperature range should not exceed the material's specified limits.

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 Systems, Pneumatic Cylinders, Fuel and Oil Systems, General Industrial Machinery.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 3.082"CS = 0.149"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.