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Industrial O-Ring, Buna-N, 5.771" ID, 6.128" OD | Carbon Steel

Expert Overview

This industrial O-ring, crafted from durable Buna-N, features precise dimensions (5.771" ID, 6.128" OD, 0.177" CS) within a robust carbon steel housing for superior sealing performance.

StandardASTM A106
MaterialCarbon Steel
FinishAnodized
GradeN/A
Inside Diameter5.771"
Outside Diameter6.128"
Cross Section0.177"

Detailed Engineering Specifications

Specified by design engineers worldwide, this Buna-N industrial O-ring offers exceptional chemical resistance and a wide operating temperature range, making it ideal for demanding fluid power and general industrial applications. The precise dimensions of 5.771 inches inside diameter, 6.128 inches outside diameter, and a 0.177-inch cross section, integrated into a carbon steel retainer, ensure a secure, leak-free seal against moderate pressures and temperatures. Its nitrile-based polymer composition provides excellent resilience and sealing integrity.

🧊 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 mating surfaces are clean, dry, and free of debris. 2. Carefully place the O-ring into its designated groove, avoiding any stretching or twisting. 3. Confirm the O-ring is properly seated and fully contained within the groove before assembly.

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 / ExposedModerate
Marine / SaltwaterNot Recommended
Chemical / AcidicNot Recommended

Common Mistakes & How to Avoid Them

❌ Mistake✅ Correct Approach
Overtightening during assembly, which can pinch or damage the O-ring.Follow recommended torque specifications for fasteners and ensure even pressure distribution during assembly.
Using incompatible lubricants or cleaning agents that degrade the Buna-N material.Consult the material compatibility chart for Buna-N and use only approved lubricants and cleaning solutions.

Common Applications

  • Hydraulic systems
  • Pneumatic cylinders
  • Fluid power manifolds

⚠️ Engineering Warnings

  • Not suitable for high-temperature applications exceeding Buna-N's operational limits.
  • Avoid exposure to strong oxidizing agents or aromatic hydrocarbons which can degrade 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 systems, Pneumatic cylinders, Fluid power manifolds.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 5.771"CS = 0.177"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.