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Industrial O-Ring, Buna-N, Nylon, 6.699" ID x 2.246" OD

Expert Overview

This high-performance industrial O-ring, constructed from robust Buna-N with a nylon reinforcing layer, ensures superior sealing integrity. Engineered for resilience and durability in challenging environments.

StandardASTM A106
MaterialNylon
FinishGalvanized
GradeN/A
Inside Diameter6.699"
Outside Diameter2.246"
Cross Section0.249"

Detailed Engineering Specifications

Trusted by engineers across multiple sectors, this industrial O-ring is meticulously crafted from a Buna-N elastomeric compound, reinforced with a woven nylon matrix for enhanced tensile strength and reduced extrusion. Its precise dimensions, including an inside diameter of 6.699 inches, an outside diameter of 2.246 inches, and a cross-section of 0.249 inches, guarantee a precise fit and reliable seal in critical fluid and gas systems. The Buna-N material offers excellent resistance to petroleum-based oils, hydraulic fluids, and many solvents, making it ideal for a wide range of industrial machinery and equipment.

🧊 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. Clean the mating groove and sealing surfaces thoroughly to remove any debris or contaminants. 2. Lightly lubricate the O-ring and groove with a compatible lubricant approved for Buna-N and the specific application fluid. 3. Carefully install the O-ring into the groove, ensuring it is seated evenly and without twisting or stretching.

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 the wrong lubricant, leading to O-ring degradation or seal failure.Always consult material compatibility charts and select a lubricant specifically approved for Buna-N and the operating environment.
Forcing the O-ring into the groove, causing nicks, cuts, or stretching.Ensure the groove is clean and properly sized. Use appropriate installation tools if necessary and avoid excessive force.

Common Applications

  • Hydraulic Systems
  • Pneumatic Cylinders
  • Fuel Systems
  • Oil and Gas Equipment

⚠️ Engineering Warnings

  • Not recommended for use with high-temperature steam or hot water.
  • Avoid exposure to ozone, strong acids, and polar solvents.

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 Systems, Oil and Gas Equipment.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 6.699"CS = 0.249"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.