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Buna-N Industrial O-Ring | 3.105" ID x 4.248" OD

Expert Overview

This robust Buna-N industrial O-ring provides superior sealing in critical applications. Engineered for resilience, it ensures leak-free performance across a wide temperature and pressure range.

StandardASTM A106
MaterialNylon
FinishPlain
GradeN/A
Inside Diameter3.105"
Outside Diameter4.248"
Cross Section0.151"

Detailed Engineering Specifications

Designed for demanding industrial environments, this Buna-N O-ring offers excellent resistance to oils, fuels, and hydraulic fluids. Its precise dimensions – 3.105" Inside Diameter, 4.248" Outside Diameter, and 0.151" Cross Section – guarantee a reliable seal in static and dynamic applications. The durable Nylon material reinforcement enhances its structural integrity and abrasion resistance, making it suitable for high-cycle operations and exposure to moderate wear.

🧊 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:N/A

Installation Procedure

1. Ensure the mating groove is clean and free of debris. 2. Lightly lubricate the O-ring and groove with a compatible lubricant. 3. Carefully install the O-ring, ensuring it is seated evenly within the groove without stretching or 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

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 installationInstall with minimal force to avoid pinching or damaging the O-ring.
Using incorrect lubricantAlways use a lubricant compatible with Buna-N and the system fluid to prevent material degradation.

Common Applications

  • Hydraulic Systems
  • Pneumatic Actuators
  • Fluid Power Equipment

⚠️ Engineering Warnings

  • Not suitable for use with strong oxidizing agents or ozone.
  • Consult chemical compatibility charts for specific fluid applications.

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 Nylon.

Q: What are the main applications?

A: Hydraulic Systems, Pneumatic Actuators, Fluid Power Equipment.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 3.105"CS = 0.151"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.