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Industrial Buna-N O-Ring | 6.885" ID x 0.904" OD x 0.264" CS

Expert Overview

This industrial-grade Buna-N O-ring offers superior sealing performance. Its robust construction and specific dimensions ensure reliable containment in a wide range of demanding applications.

StandardDIN 933
MaterialNylon
FinishGalvanized
GradeN/A
Inside Diameter6.885"
Outside Diameter0.904"
Cross Section0.264"

Detailed Engineering Specifications

Precision-manufactured to tight tolerances, this Buna-N (Nitrile Butadiene Rubber) O-ring features an Inside Diameter of 6.885 inches, an Outside Diameter of 0.904 inches, and a Cross Section of 0.264 inches. Buna-N is selected for its excellent resistance to oils, fuels, hydraulic fluids, and many solvents, making it suitable for moderate temperature ranges. The material's inherent toughness and resilience contribute to its long service life in static and dynamic sealing applications where chemical compatibility and durability are paramount. This O-ring is designed to provide a reliable seal against leakage in mechanical systems.

🧊 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. Inspect the O-ring and the sealing groove for any damage or debris. 2. Lightly lubricate the O-ring and the sealing surface with a compatible lubricant. 3. Carefully install the O-ring into its designated groove, ensuring it is seated evenly.

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
Using excessive force during installation, leading to O-ring damage.Apply gentle, even pressure. If resistance is encountered, re-inspect the groove and O-ring for obstructions or improper fit.
Installing an O-ring of the incorrect size for the groove or mating parts.Always verify the O-ring's dimensions against the application's requirements before installation.

Common Applications

  • Hydraulic systems
  • Pneumatic systems
  • Automotive applications
  • Industrial machinery

⚠️ Engineering Warnings

  • Not suitable for use with strong acids, ketones, or esters.
  • Service temperature range limitations apply; consult material compatibility charts for extreme conditions.

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 applications, Industrial machinery.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 6.885"CS = 0.264"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.