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

Buna-N O-Ring - 1.825" ID, 1.386" OD, 0.163" CS

Expert Overview

This industrial-grade Buna-N O-ring, crafted from robust Aluminum 6061, provides superior sealing performance. Its precise dimensions ensure reliable containment in critical applications. Engineered for durability and chemical resistance.

StandardASTM A106
MaterialAluminum 6061
FinishGalvanized
GradeN/A
Inside Diameter1.825"
Outside Diameter1.386"
Cross Section0.163"

Detailed Engineering Specifications

Trusted by engineers across multiple sectors, this Buna-N O-ring boasts an Inside Diameter of 1.825 inches, an Outside Diameter of 1.386 inches, and a Cross Section of 0.163 inches. The Aluminum 6061 material offers excellent machinability and moderate corrosion resistance, making it suitable for a variety of general industrial sealing applications where moderate chemical and temperature resistance is required. Its precise manufacturing ensures a tight, leak-proof seal in static and dynamic applications.

🧊 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 and free of debris. 2. Carefully stretch the O-ring over the smaller diameter component or into the groove, avoiding excessive force. 3. Verify proper seating and compression of the O-ring within the groove before assembly.

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 a damaged or nicked O-ring.Inspect the O-ring for any imperfections before installation. Replace if any damage is found.
Over-stretching or twisting the O-ring during installation.Gently guide the O-ring into place. Avoid excessive stretching that can lead to permanent deformation or rupture.

Common Applications

  • Hydraulic Systems
  • Pneumatic Actuators
  • General Machinery Sealing

⚠️ Engineering Warnings

  • Not suitable for high-temperature applications exceeding the service limits of Buna-N.
  • Avoid exposure to strong oxidizing acids, esters, ketones, and chlorinated hydrocarbons.

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 Aluminum 6061.

Q: What are the main applications?

A: Hydraulic Systems, Pneumatic Actuators, General Machinery Sealing.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 1.825"CS = 0.163"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.