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Buna-N Industrial O-Ring - 4.569" ID x 4.826" OD

Expert Overview

Engineered for robust sealing, this Buna-N O-ring provides exceptional performance in demanding industrial environments. Its resilient material ensures a tight seal against fluids and gasses.

StandardDIN 933
MaterialNylon
FinishPassivated
GradeN/A
Inside Diameter4.569"
Outside Diameter4.826"
Cross Section0.081"

Detailed Engineering Specifications

A proven choice for industrial professionals, this Buna-N O-ring is constructed from high-quality Nylon, ensuring excellent resistance to abrasion and moderate chemical exposure. With an Inside Diameter of 4.569 inches, an Outside Diameter of 4.826 inches, and a precise Cross Section of 0.081 inches, it is designed for a secure and leak-proof fit in a wide range of static and dynamic sealing applications within hydraulic, pneumatic, and general 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:N/A

Installation Procedure

1. Ensure the mating groove surfaces are clean and free of debris. 2. Lightly lubricate the O-ring with a compatible lubricant to prevent damage during installation. 3. Carefully seat the O-ring into the groove, avoiding any stretching or twisting.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardDIN 933

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
Overstretching the O-ring during installation, leading to premature failure.Install the O-ring without excessive stretching, ensuring it sits snugly within the groove.
Using incompatible lubricants that degrade the Buna-N material.Consult a chemical compatibility chart and use only lubricants recommended for Buna-N.

Common Applications

  • Hydraulic Systems
  • Pneumatic Systems
  • General Fluid Power

⚠️ Engineering Warnings

  • Not suitable for prolonged exposure to high concentrations of ozone, UV, or weathering.
  • Avoid use with aggressive solvents and petroleum-based oils beyond its recommended 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 Nylon.

Q: What are the main applications?

A: Hydraulic Systems, Pneumatic Systems, General Fluid Power.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 4.569"CS = 0.081"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.