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Buna-N Industrial O-Ring - 5.367" ID, 1.479" OD

Expert Overview

This industrial Buna-N O-ring is engineered for robust sealing performance. Its nitrile rubber composition ensures excellent resistance to oils, fuels, and many chemicals, making it ideal for critical fluid power systems.

StandardASTM A106
MaterialNylon
FinishPlain
GradeN/A
Inside Diameter5.367"
Outside Diameter1.479"
Cross Section0.191"

Detailed Engineering Specifications

A proven choice for industrial professionals, this Buna-N O-ring offers superior sealing integrity. Featuring an Inside Diameter (ID) of 5.367 inches, an Outside Diameter (OD) of 1.479 inches, and a precise Cross Section (CS) of 0.191 inches, it's manufactured from high-quality Nitrile Butadiene Rubber (NBR). This material exhibits excellent resistance to petroleum-based oils, hydraulic fluids, greases, and water, operating effectively within a temperature range of -40°F to +257°F (-40°C to +125°C). Its inherent resilience and compression set resistance ensure long-term sealing reliability in dynamic and static applications.

🧊 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, dry, and free from debris. Lubricate the O-ring lightly with a compatible lubricant if specified. 2. Carefully install the O-ring into the groove, ensuring it is not twisted or cut by sharp edges. 3. Verify proper seating and absence of damage before assembling the mating components.

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
Using the wrong O-ring size for the groove.Always verify the O-ring dimensions (ID, OD, CS) against the groove specifications to ensure a proper fit and seal.
Twisting or nicking the O-ring during installation.Handle the O-ring with care and avoid stretching it excessively. Use appropriate tools if necessary and ensure all mating surfaces are smooth.
Using incompatible lubricants or sealants.Refer to the chemical compatibility chart for Buna-N to select a lubricant or sealant that will not degrade the O-ring material.

Common Applications

  • Hydraulic systems
  • Pneumatic cylinders
  • Fuel and oil handling equipment
  • Automotive components

⚠️ Engineering Warnings

  • Not suitable for use with strong oxidizing agents, ketones, esters, or chlorinated hydrocarbons.
  • Operating temperature limits must be strictly adhered to for optimal performance and lifespan.

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 cylinders, Fuel and oil handling equipment, Automotive components.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 5.367"CS = 0.191"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.