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Buna-N O-Ring 5.217" ID x 5.607" OD x 0.231" CS

Expert Overview

This robust Buna-N O-ring offers superior sealing performance in demanding industrial environments. Its precise dimensions ensure a secure fit and reliable prevention of leaks in various fluid and gas systems.

StandardDIN 933
MaterialPolycarbonate
FinishZinc Plated
GradeN/A
Inside Diameter5.217"
Outside Diameter5.607"
Cross Section0.231"

Detailed Engineering Specifications

Precision-manufactured to tight tolerances, this Buna-N O-ring features an Inside Diameter of 5.217 inches, an Outside Diameter of 5.607 inches, and a Cross Section of 0.231 inches. Composed of Buna-N (Nitrile Butadiene Rubber), it exhibits excellent resistance to oils, fuels, hydraulic fluids, and water, with a broad operating temperature range. The material's inherent resilience and low compression set make it ideal for static seals in flanges and housings, as well as dynamic seals in reciprocating and rotating equipment where chemical compatibility and durability 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:N/A

Installation Procedure

1. Ensure the sealing groove is clean and free from debris or damage. 2. Lightly lubricate the O-ring with a compatible lubricant to facilitate installation and prevent pinching. 3. Carefully place the O-ring into the groove, ensuring it sits flush and without twists.

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 / ExposedExcellent
Marine / SaltwaterNot Recommended
Chemical / AcidicNot Recommended

Common Mistakes & How to Avoid Them

❌ Mistake✅ Correct Approach
Using excessive force during installation, leading to O-ring damage.Apply lubricant and gently guide the O-ring into the groove.
Installing an O-ring of incorrect size or material for the application.Verify O-ring specifications against the equipment's requirements and the fluid/gas being sealed.

Common Applications

  • Hydraulic cylinders and pumps
  • Fuel and oil systems
  • Pneumatic actuators

⚠️ Engineering Warnings

  • Not suitable for exposure to ozone, strong acids, or polar solvents.
  • Ensure compatibility with specific operating temperatures and media.

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 Polycarbonate.

Q: What are the main applications?

A: Hydraulic cylinders and pumps, Fuel and oil systems, Pneumatic actuators.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 5.217"CS = 0.231"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.