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Buna-N Nylon O-Ring | 9.472" ID x 9.143" OD x 0.189" CS

Expert Overview

This robust Buna-N Nylon O-Ring offers superior sealing performance in demanding industrial environments. Engineered for exceptional chemical and abrasion resistance, it ensures reliable containment in critical fluid and gas systems.

StandardASTM A106
MaterialNylon
FinishBlack Oxide
GradeN/A
Inside Diameter9.472"
Outside Diameter9.143"
Cross Section0.189"

Detailed Engineering Specifications

Precision-manufactured to tight tolerances, this Buna-N O-Ring features an Inside Diameter of 9.472 inches, an Outside Diameter of 9.143 inches, and a Cross Section of 0.189 inches. Constructed from high-quality Buna-N (Nitrile Butadiene Rubber) reinforced with Nylon, it exhibits excellent resistance to petroleum-based oils, fuels, hydraulic fluids, and many aggressive chemicals. The Nylon reinforcement enhances its mechanical strength, tear resistance, and dimensional stability, making it ideal for dynamic and high-pressure applications. Operating temperature range is typically -40°F to +250°F (-40°C to +121°C).

🧊 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, free of debris, and properly dimensioned. 2. Carefully lubricate the O-ring and groove with a compatible lubricant. 3. Gently install the O-ring into the groove, avoiding any stretching or twisting. 4. Verify proper seating and absence of damage after installation.

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 excessive force during installation, leading to nicks or cuts.Employ a specialized O-ring installation tool or a smooth, rounded insertion aid to prevent damage.
Incorrect O-ring size selection for the groove dimensions.Always consult O-ring sizing charts and verify groove dimensions against the O-ring's specifications before installation.
Reusing old or damaged O-rings.Always use new, undamaged O-rings for each application to guarantee a reliable seal.

Common Applications

  • Hydraulic systems
  • Pneumatic cylinders
  • Fuel and oil handling equipment
  • Chemical processing equipment

⚠️ Engineering Warnings

  • Not suitable for exposure to ozone, strong acids, or ester-based brake fluids.
  • Ensure compatibility with the specific fluid or gas being sealed and the operating 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 cylinders, Fuel and oil handling equipment, Chemical processing equipment.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 9.472"CS = 0.189"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.