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Industrial O-Ring, Buna-N, 9.714" ID, 4.438" OD, Carbon Steel

Expert Overview

This industrial O-ring, crafted from Buna-N with a carbon steel core, offers superior sealing performance in demanding environments. Its precise dimensions ensure a reliable and long-lasting seal.

StandardASTM A106
MaterialCarbon Steel
FinishGalvanized
GradeN/A
Inside Diameter9.714"
Outside Diameter4.438"
Cross Section0.249"

Detailed Engineering Specifications

Trusted by engineers across multiple sectors, this Buna-N industrial O-ring boasts a precise Inside Diameter of 9.714 inches and an Outside Diameter of 4.438 inches, with a robust 0.249-inch cross-section. The carbon steel construction provides exceptional strength and resistance to extrusion under pressure. Buna-N (Nitrile Butadiene Rubber) is renowned for its excellent resistance to oils, fuels, and hydraulic fluids, making this O-ring ideal for static and dynamic sealing applications in automotive, industrial machinery, and fluid power systems.

🧊 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 grooves are clean and free of debris. 2. Carefully stretch the O-ring over the component, avoiding excessive force or sharp tools. 3. Position the O-ring squarely within its designated groove to prevent 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
O-ring is twisted or pinched during installation.Ensure the O-ring is seated evenly and not subjected to twisting forces. Use appropriate tools if necessary to avoid pinching.
Incorrect O-ring size or material used for the application.Verify the O-ring's dimensions and material compatibility with the fluid and operating temperature before installation. Consult chemical resistance charts if unsure.

Common Applications

  • Hydraulic systems
  • Pneumatic cylinders
  • Fuel delivery systems
  • Oil seals

⚠️ Engineering Warnings

  • Not suitable for use with ozone, strong acids, or polar solvents.
  • Operating temperature range must be considered for longevity; consult material specifications.

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 delivery systems, Oil seals.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 9.714"CS = 0.249"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.