Home > Sealing > Industrial O-Ring, Buna-N

Nylon Industrial O-Ring - 5.549" ID, 0.305" OD

Expert Overview

This industrial O-ring, constructed from durable Buna-N, offers superior sealing capabilities. Engineered with precise dimensions, it ensures reliable performance in a variety of demanding industrial environments.

StandardASTM A106
MaterialNylon
FinishGalvanized
GradeN/A
Inside Diameter5.549"
Outside Diameter0.305"
Cross Section0.075"

Detailed Engineering Specifications

Manufactured under strict quality controls, this Buna-N industrial O-ring features an Inside Diameter of 5.549 inches, an Outside Diameter of 0.305 inches, and a cross-section of 0.075 inches. Buna-N, also known as Nitrile, exhibits excellent resistance to oils, fuels, hydraulic fluids, and many solvents, making it ideal for applications where chemical compatibility is paramount. Its robust elastomeric properties provide a tight seal, preventing leaks and maintaining system integrity in moderate temperature ranges.

🧊 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 sealing surfaces are clean and free from debris. 2. Carefully stretch the O-ring over the male component or into the gland. 3. Verify the O-ring is properly seated and not twisted.

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 / ExposedExcellent
Marine / SaltwaterNot Recommended
Chemical / AcidicNot Recommended

Common Mistakes & How to Avoid Them

❌ Mistake✅ Correct Approach
Using excessive force during installation, potentially leading to O-ring damage.Apply gentle pressure and use appropriate installation tools if necessary to avoid stretching or cutting the O-ring.
Incorrectly sizing the O-ring for the application, resulting in leaks or extrusion.Always verify the Inside Diameter, Outside Diameter, and cross-section match the gland specifications precisely.

Common Applications

  • Hydraulic systems
  • Pneumatic systems
  • Automotive seals
  • Fluid power applications

⚠️ Engineering Warnings

  • Not recommended for applications involving strong oxidizing agents or high ozone concentrations.
  • Operating temperature range should be considered to prevent premature degradation.

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, Automotive seals, Fluid power applications.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 5.549"CS = 0.075"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.