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

Industrial Buna-N O-Ring | 4.170" ID x 10.580" OD

Expert Overview

This robust industrial O-ring, manufactured from durable Buna-N (Nitrile), is engineered for reliable sealing in critical applications. Its precise dimensions ensure a superior fit and dependable performance under demanding conditions.

StandardASME B18
MaterialPolycarbonate
FinishZinc Plated
GradeN/A
Inside Diameter4.170"
Outside Diameter10.580"
Cross Section0.164"

Detailed Engineering Specifications

Specified by design engineers worldwide, this industrial O-ring boasts an Inside Diameter of 4.170 inches and an Outside Diameter of 10.580 inches, with a precise Cross Section of 0.164 inches. Constructed from premium Buna-N (Nitrile rubber), it offers exceptional resistance to petroleum-based oils, fuels, and hydraulic fluids, making it ideal for environments where chemical compatibility and robust sealing are paramount. This material also exhibits good abrasion resistance and a broad operating temperature range.

🧊 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 lubricated with a compatible lubricant. 2. Carefully stretch the O-ring over the component, avoiding excessive force or twisting. 3. Gently seat the O-ring into the groove, ensuring it is uniformly positioned without pinching.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardASME B18

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, causing material degradation.Always use a lubricant compatible with Buna-N and the application's fluid environment.
Over-stretching or twisting the O-ring during installation.Handle the O-ring with care, using appropriate tools if necessary, to prevent damage.

Common Applications

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

⚠️ Engineering Warnings

  • Not recommended for use with strong oxidizing agents, ketones, or certain esters.
  • Exceeding the material's temperature limits can lead to premature failure.

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 Polycarbonate.

Q: What are the main applications?

A: Hydraulic systems, Pneumatic cylinders, Fuel and oil handling equipment.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 4.170"CS = 0.164"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.