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Buna-N O-Ring | 0.622" ID x 0.363" OD | Industrial Sealing

Expert Overview

This robust Buna-N O-ring is engineered for reliable sealing in demanding industrial environments. Its specific dimensions ensure precise fitment, providing exceptional fluid and gas containment across a wide temperature range.

StandardDIN 933
MaterialPolycarbonate
FinishAnodized
GradeN/A
Inside Diameter0.622"
Outside Diameter0.363"
Cross Section0.270"

Detailed Engineering Specifications

A high-performance industrial component, this Buna-N O-ring features an Inside Diameter of 0.622 inches, an Outside Diameter of 0.363 inches, and a Cross Section of 0.270 inches. Constructed from Buna-N (Nitrile Butadiene Rubber), it exhibits outstanding resistance to oils, fuels, hydraulic fluids, and many solvents. Its wide operating temperature range, typically -40°F to +257°F (-40°C to +125°C), makes it suitable for applications involving petroleum-based products, automotive systems, and general industrial machinery where robust chemical compatibility and dependable sealing are paramount.

🧊 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. Clean both sealing surfaces thoroughly to remove any debris or contaminants. 2. Lightly lubricate the O-ring and the groove with a compatible lubricant to facilitate installation and prevent damage. 3. Carefully insert the O-ring into the designated groove, ensuring it is seated evenly and without twisting.

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
Using the wrong lubricant, which can degrade Buna-N.Always use a lubricant recommended for Buna-N materials, such as silicone grease or petroleum jelly.
Overstretching or twisting the O-ring during installation.Install the O-ring gently, ensuring it lies flat in the groove without any tension or deformation.

Common Applications

  • Hydraulic Systems
  • Automotive Fuel Lines
  • General Industrial Machinery

⚠️ Engineering Warnings

  • Not recommended for use with strong acids, ketones, or ester-based hydraulic fluids.
  • Ensure compatibility with the specific media and operating temperatures before deployment.

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 Polycarbonate.

Q: What are the main applications?

A: Hydraulic Systems, Automotive Fuel Lines, General Industrial Machinery.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 0.622"CS = 0.270"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.