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

Industrial Buna-N O-Ring | Nylon - 6.879" ID x 1.026" OD

Expert Overview

This industrial O-ring, crafted from durable Buna-N with Nylon reinforcement, ensures reliable sealing in demanding environments. Its precise dimensions guarantee a tight fit for critical applications.

StandardASME B18
MaterialNylon
FinishZinc Plated
GradeN/A
Inside Diameter6.879"
Outside Diameter1.026"
Cross Section0.186"

Detailed Engineering Specifications

Specified by design engineers worldwide, this Buna-N O-ring features a Nylon reinforcement for enhanced structural integrity and improved resistance to extrusion. The compound offers excellent resistance to petroleum oils, greases, and hydraulic fluids, making it ideal for automotive, industrial machinery, and fluid power systems. With an Inside Diameter of 6.879 inches, an Outside Diameter of 1.026 inches, and a Cross Section of 0.186 inches, it provides robust sealing under moderate pressures and temperatures.

🧊 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 component or into the groove, avoiding excessive force or sharp tools. 3. Verify the O-ring is seated properly and evenly within the groove without twists or kinks.

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 a sharp tool to force the O-ring into place, causing cuts or tears.Gently stretch and maneuver the O-ring, using a non-marring tool if necessary for tight fits.
Installing a twisted or kinked O-ring, leading to immediate leakage.Ensure the O-ring lies flat and evenly within the groove, free of any distortions.

Common Applications

  • Hydraulic and pneumatic systems
  • Automotive fuel and oil systems
  • General industrial fluid handling

⚠️ Engineering Warnings

  • Not suitable for use with ozone, strong acids, or polar solvents.
  • Operating temperature range should be strictly adhered to for optimal performance and longevity.

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 and pneumatic systems, Automotive fuel and oil systems, General industrial fluid handling.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 6.879"CS = 0.186"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.