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Buna-N Carbon Steel O-Ring: 5.558" ID, 9.596" OD

Expert Overview

High-performance Buna-N O-ring manufactured with a carbon steel core, engineered for superior sealing in challenging industrial applications. Ensures reliable containment under pressure.

StandardASTM A106
MaterialCarbon Steel
FinishGalvanized
GradeN/A
Inside Diameter5.558"
Outside Diameter9.596"
Cross Section0.149"

Detailed Engineering Specifications

Specified by design engineers worldwide, this industrial O-ring boasts a precise Inside Diameter of 5.558 inches and an Outside Diameter of 9.596 inches, with a substantial 0.149-inch cross-section. The Buna-N (Nitrile) material offers excellent resistance to oils, fuels, and many hydraulic fluids, while the integrated carbon steel core provides enhanced rigidity and burst strength, crucial for high-pressure systems. Its robust construction makes it ideal for static and dynamic sealing applications where chemical compatibility and mechanical integrity are 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:Yes

Installation Procedure

1. Ensure the groove is clean, free of debris, and properly lubricated. 2. Carefully stretch the O-ring over the component or into the groove, avoiding overstretching or nicking. 3. Gently seat the O-ring to ensure uniform contact within the groove.

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
Overstretching the O-ring during installation, leading to premature failure and leaks.Use appropriate tooling and avoid excessive stretching. If necessary, employ a rolling installation technique.
Installing the O-ring into a contaminated or damaged groove.Thoroughly clean and inspect the groove for any burrs, scratches, or foreign matter before installation.

Common Applications

  • Hydraulic systems
  • Pneumatic cylinders
  • Fuel and oil containment
  • General industrial sealing

⚠️ Engineering Warnings

  • Not suitable for exposure to ozone, strong oxidizing acids, or certain chlorinated hydrocarbons.
  • Ensure material compatibility with the specific fluid and operating temperature range.

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 containment, General industrial sealing.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 5.558"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.