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Buna-N Brass O-Ring - 7.414" ID, 1.409" OD, 0.196" CS

Expert Overview

This industrial Buna-N O-ring, designed for brass fittings, provides exceptional sealing performance. Engineered for durability and resistance to common industrial fluids and moderate temperatures.

StandardASME B18
MaterialBrass
FinishZinc Plated
GradeN/A
Inside Diameter7.414"
Outside Diameter1.409"
Cross Section0.196"

Detailed Engineering Specifications

Built to exacting engineering tolerances, this Buna-N O-ring features an inside diameter of 7.414 inches, an outside diameter of 1.409 inches, and a cross-section of 0.196 inches. The Buna-N (Nitrile Butadiene Rubber) material offers excellent resistance to oils, fuels, hydraulic fluids, and water, making it suitable for a wide range of demanding industrial applications. Its robust composition ensures reliable sealing under moderate pressure and temperature conditions, preventing leaks and maintaining system integrity. This specification is critical for applications where precise fit and consistent performance 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. Ensure mating surfaces are clean and free from debris. 2. Carefully place the O-ring into the designated groove, avoiding stretching or twisting. 3. Apply a thin layer of compatible lubricant if necessary for easier assembly and to prevent damage.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardASME B18

Mechanical Properties

Tensile StrengthStandard Commercial Spec
Yield StrengthStandard Commercial Spec
HardnessVaries by specific batch

Chemical Composition

Copper (Cu)60.0 - 63.0%
Zinc (Zn)Balance
Lead (Pb)2.5 - 3.7%

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
Overtightening or stretching the O-ring during installation.Install the O-ring without excessive force, ensuring it sits properly in the groove without deformation.
Using the wrong lubricant or no lubricant at all.Consult material compatibility charts to select an appropriate lubricant for Buna-N and the specific application fluids.

Common Applications

  • Hydraulic systems
  • Pneumatic equipment
  • Oil and fuel handling

⚠️ Engineering Warnings

  • Not suitable for applications involving ozone, strong acids, or ketones.
  • Operating temperature range should not exceed manufacturer's recommendations for Buna-N.

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 Brass.

Q: What are the main applications?

A: Hydraulic systems, Pneumatic equipment, Oil and fuel handling.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 7.414"CS = 0.196"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.