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Industrial O-Ring, Buna-N, 1.287" ID x 5.989" OD x 0.075" CS

Expert Overview

This industrial O-ring, constructed from durable Buna-N (Nitrile Rubber), ensures exceptional sealing performance in a wide range of applications. Its precise dimensions provide a reliable barrier against leaks in dynamic and static environments.

StandardISO 9001
MaterialNylon
FinishBlack Oxide
GradeN/A
Inside Diameter1.287"
Outside Diameter5.989"
Cross Section0.075"

Detailed Engineering Specifications

Manufactured under strict quality controls, this Buna-N (Nitrile Rubber) O-ring boasts an Inside Diameter of 1.287 inches, an Outside Diameter of 5.989 inches, and a Cross Section of 0.075 inches. Buna-N offers excellent resistance to petroleum-based oils, hydraulic fluids, water, and some solvents, making it ideal for general-purpose sealing. Its robust nature provides a reliable seal against pressure and contamination in moderate temperature ranges. The material's inherent elasticity allows for effective compression and recovery, crucial for maintaining seal integrity over time.

🧊 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 mating surfaces are clean and free of debris. 2. Carefully stretch the O-ring over the shaft or into the groove, avoiding sharp tools. 3. Apply a light lubricant compatible with Buna-N if necessary to ease installation and prevent damage.

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 nicks or tears.Employ a lubricant compatible with the O-ring material and use a smooth, even stretching motion.
Installing an O-ring that is not the correct size for the groove or shaft.Always verify O-ring dimensions against the application's specifications to ensure a proper fit and seal.

Common Applications

  • Hydraulic systems
  • Pneumatic cylinders
  • Automotive seals
  • General industrial machinery

⚠️ Engineering Warnings

  • Not recommended for use with ozone, ketones, or esters.
  • Operating temperature range should be observed to prevent material degradation.

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 cylinders, Automotive seals, General industrial machinery.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 1.287"CS = 0.075"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.