Home > Sealing > Industrial O-Ring, Buna-N

Buna-N O-Ring, Stainless Steel 304, 2.288" OD, 5.868" ID

Expert Overview

This industrial-grade O-ring features robust Buna-N sealing material within a durable 304 stainless steel housing. Engineered for superior performance and longevity in challenging operational conditions.

StandardASME B18
Material304 Stainless Steel
FinishPlain
GradeN/A
Inside Diameter5.868"
Outside Diameter2.288"
Cross Section0.210"

Detailed Engineering Specifications

Precision-manufactured to tight tolerances, this Buna-N O-ring, encased in 304 stainless steel, offers exceptional chemical resistance and a broad operating temperature range. The 5.868-inch inside diameter, 2.288-inch outside diameter, and 0.210-inch cross-section ensure a secure, leak-proof seal for static and dynamic applications. The 304 stainless steel construction provides excellent corrosion resistance, making it suitable for various industrial fluids and environments where traditional elastomers may degrade.

🧊 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. Lightly lubricate the O-ring with a compatible lubricant. 3. Carefully compress the O-ring into its groove, avoiding overstretching or damage.

Equivalent Standards (Cross-Reference)

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

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
Using incompatible lubricants that degrade Buna-N.Consult material compatibility charts and use only approved lubricants for Buna-N seals.
Forcing the O-ring into the groove, causing nicks or tears.Gently guide the O-ring into the groove, ensuring it seats properly without undue force.

Common Applications

  • Hydraulic systems
  • Pneumatic equipment
  • Chemical processing machinery

⚠️ Engineering Warnings

  • Not suitable for high-temperature applications beyond Buna-N's rated limits.
  • Verify compatibility with specific process fluids before installation.

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, Chemical processing machinery.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 5.868"CS = 0.210"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.