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Buna-N Industrial O-Ring - 3.578" ID, 2.837" OD, 0.156" CS

Expert Overview

This industrial-grade Buna-N O-ring, constructed from high-tensile Nylon, provides exceptional sealing performance in demanding environments. Engineered for durability and chemical resistance, it ensures reliable operation.

StandardDIN 933
MaterialNylon
FinishPassivated
GradeN/A
Inside Diameter3.578"
Outside Diameter2.837"
Cross Section0.156"

Detailed Engineering Specifications

A high-performance industrial component, this Buna-N O-ring is precision-engineered with an inside diameter of 3.578 inches, an outside diameter of 2.837 inches, and a cross-section of 0.156 inches. The robust Nylon material offers excellent resistance to a wide range of oils, fuels, and hydraulic fluids, making it suitable for applications subjected to moderate temperatures and pressures. Its inherent toughness and low compression set ensure long-term sealing integrity in static and dynamic sealing 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. Ensure the groove and O-ring are clean and free from debris. 2. Carefully install the O-ring into the designated groove, avoiding twisting or stretching. 3. Apply a light coat of compatible lubricant if necessary for easier installation and to prevent damage.

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 / ExposedModerate
Marine / SaltwaterNot Recommended
Chemical / AcidicNot Recommended

Common Mistakes & How to Avoid Them

❌ Mistake✅ Correct Approach
Installing a twisted or stretched O-ring.Always ensure the O-ring is installed without any twists or excessive stretching to maintain proper sealing contact.
Using an incompatible lubricant.Verify that the lubricant used is compatible with Buna-N and the specific application environment to prevent material degradation.

Common Applications

  • Hydraulic systems
  • Pneumatic systems
  • Automotive fuel systems

⚠️ Engineering Warnings

  • Not recommended for applications involving strong acids or ketones.
  • Avoid exposure to direct sunlight or UV radiation for extended periods.

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 fuel systems.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 3.578"CS = 0.156"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.