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Industrial Buna-N O-Ring 1.268" ID x 6.922" OD x 0.263" CS

Expert Overview

Engineered for demanding industrial applications, this Buna-N O-ring provides exceptional sealing performance. Its robust construction ensures reliable containment of fluids and gases in critical systems.

StandardISO 9001
MaterialNylon
FinishBlack Oxide
GradeN/A
Inside Diameter1.268"
Outside Diameter6.922"
Cross Section0.263"

Detailed Engineering Specifications

Built to exacting engineering tolerances, this industrial O-ring features an inside diameter of 1.268 inches, an outside diameter of 6.922 inches, and a cross-section of 0.263 inches. Manufactured from Buna-N (Nitrile), it offers excellent resistance to petroleum-based oils, greases, hydraulic fluids, and many aliphatic hydrocarbons. Its temperature range typically spans from -40°F to +250°F (-40°C to +121°C), making it suitable for a wide array of operational conditions. The material's inherent elasticity and resilience ensure a tight, leak-proof seal under pressure.

🧊 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 mating groove is clean, free of debris, and properly dimensioned. 2. Carefully lubricate the O-ring with a compatible lubricant to prevent tearing during installation. 3. Gently stretch and place the O-ring into the groove, ensuring it sits evenly without twisting.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardISO 9001

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 O-ring nicks or tears.Apply a compatible lubricant to both the O-ring and the groove to facilitate smooth installation. Use appropriate tools if necessary, but avoid sharp objects.
Installing an O-ring into a contaminated groove.Thoroughly clean the mating groove and all surrounding components before O-ring installation to prevent premature seal failure.

Common Applications

  • Hydraulic systems
  • Pneumatic equipment
  • Automotive seals
  • Industrial pumps
  • Fluid power applications

⚠️ Engineering Warnings

  • Not recommended for use with ozone, ketones, esters, or strong acids.
  • Verify material compatibility for specific chemical exposure beyond typical oils and greases.

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 equipment, Automotive seals, Industrial pumps, Fluid power applications.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 1.268"CS = 0.263"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.