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Buna-N O-Ring, 304 Stainless Steel, 6.078" ID x 7.161" OD

Expert Overview

This industrial O-ring, constructed from robust Buna-N and housed within a 304 stainless steel casing, ensures superior sealing performance. Its precise dimensions provide a reliable barrier against leaks in critical industrial systems.

StandardISO 9001
Material304 Stainless Steel
FinishZinc Plated
GradeN/A
Inside Diameter6.078"
Outside Diameter7.161"
Cross Section0.194"

Detailed Engineering Specifications

Manufactured under strict quality controls, this Buna-N O-ring features a 6.078-inch inside diameter, 7.161-inch outside diameter, and a 0.194-inch cross-section. The 304 stainless steel casing offers excellent corrosion resistance and mechanical strength, making it suitable for harsh environments. Buna-N provides good resistance to oils, fuels, and many hydraulic fluids, ensuring long-term sealing integrity in a wide range of industrial equipment and machinery.

🧊 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:Yes

Installation Procedure

1. Ensure mating surfaces are clean and free of debris. 2. Carefully insert the O-ring into its designated groove, avoiding stretching or twisting. 3. Apply a light lubricant compatible with Buna-N if necessary for smoother assembly.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardISO 9001

Mechanical Properties

Tensile Strength75,000 psi (515 MPa)
Yield Strength30,000 psi (205 MPa)
Elongation in 2 in.40% min
HardnessRockwell B95 max

Chemical Composition

Carbon (C)0.08% max
Chromium (Cr)18.0 - 20.0%
Nickel (Ni)8.0 - 10.5%
Manganese (Mn)2.00% max

Temperature & Environment Rating

Min Operating Temp
-320°F (-195°C)
Max Continuous Temp
1400°F (760°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 / SaltwaterGood
Chemical / AcidicNot Recommended

Common Mistakes & How to Avoid Them

❌ Mistake✅ Correct Approach
Overtightening or excessive force during installation, leading to O-ring damage.Apply only the necessary force to seat the O-ring properly, ensuring it is not deformed.
Using incompatible lubricants that degrade Buna-N material.Consult chemical compatibility charts to select a lubricant appropriate for Buna-N and the operating environment.

Common Applications

  • Hydraulic systems
  • Pneumatic equipment
  • Automotive fuel systems

⚠️ Engineering Warnings

  • Not recommended for high-temperature applications exceeding Buna-N's service limits.
  • Avoid exposure to strong oxidizing acids, ketones, esters, and chlorinated hydrocarbons.

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 304 Stainless Steel.

Q: What are the main applications?

A: Hydraulic systems, Pneumatic equipment, Automotive fuel systems.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 6.078"CS = 0.194"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.