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Buna-N Industrial O-Ring | 9.461" ID | Nylon Material

Expert Overview

This industrial-grade O-ring, crafted from robust Buna-N, offers exceptional sealing performance. Its precise dimensions ensure reliable operation in critical fluid and gas systems, preventing leaks and maintaining system integrity.

StandardDIN 933
MaterialNylon
FinishZinc Plated
GradeN/A
Inside Diameter9.461"
Outside Diameter5.166"
Cross Section0.272"

Detailed Engineering Specifications

Purpose-built for heavy-duty applications, this Buna-N industrial O-ring features an inside diameter of 9.461", an outside diameter of 5.166", and a substantial cross-section of 0.272". The Buna-N (Nitrile Butadiene Rubber) material provides excellent resistance to oils, fuels, hydraulic fluids, and general wear, making it ideal for high-pressure and dynamic sealing scenarios. Its formulation ensures good resilience and a broad operating temperature range for consistent performance in demanding industrial settings.

🧊 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 or sharp edges. 2. Carefully place the O-ring into the groove, avoiding stretching or twisting. 3. Apply a thin film of compatible lubricant if necessary for easier assembly and to prevent damage during installation.

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
Overtightening the gland during assembly, which can pinch and damage the O-ring.Follow recommended gland compression specifications; do not exceed the designed squeeze.
Using incompatible lubricants or cleaning agents that degrade the Buna-N material.Consult chemical compatibility charts and use only approved lubricants and cleaning solutions for Buna-N.

Common Applications

  • Hydraulic systems
  • Pneumatic systems
  • Automotive sealing
  • Industrial machinery

⚠️ Engineering Warnings

  • Not recommended for use with strong acids, ketones, esters, or chlorinated hydrocarbons.
  • Ensure operating temperature and pressure are within the material's specified limits.

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 sealing, Industrial machinery.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 9.461"CS = 0.272"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.