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Industrial O-Ring, Buna-N, 304 Stainless Steel, 5.871" ID

Expert Overview

Engineered for superior sealing in harsh environments, this Buna-N O-ring boasts exceptional chemical resistance and durability. The robust construction ensures reliable performance in demanding industrial applications.

StandardASME B18
Material304 Stainless Steel
FinishPassivated
GradeN/A
Inside Diameter5.871"
Outside Diameter4.134"
Cross Section0.144"

Detailed Engineering Specifications

A high-performance industrial component, this Buna-N O-ring is precision-manufactured with an Inside Diameter of 5.871 inches, an Outside Diameter of 4.134 inches, and a Cross Section of 0.144 inches. The Buna-N material offers excellent resistance to oils, fuels, and many hydraulic fluids, making it suitable for a wide range of industrial sealing solutions. Its inherent flexibility allows for effective sealing under moderate pressure and temperature variations. The 304 stainless steel construction provides corrosion resistance, enhancing its longevity in aggressive media.

🧊 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 the mating groove is clean and free of debris. 2. Carefully stretch the O-ring over the component, avoiding excessive force or sharp objects. 3. Gently seat the O-ring into its designated groove, verifying proper alignment.

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
Stretching O-ring too far, causing permanent deformation.Use appropriate installation tools and techniques to avoid overstretching the O-ring beyond its elastic limit.
Installing O-ring into a contaminated groove.Thoroughly clean and inspect the sealing groove for any contaminants before O-ring installation.

Common Applications

  • Hydraulic systems
  • Pneumatic equipment
  • Automotive components

⚠️ Engineering Warnings

  • Not recommended for use with strong oxidizing agents or ketones.
  • Avoid exposure to ozone and 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 304 Stainless Steel.

Q: What are the main applications?

A: Hydraulic systems, Pneumatic equipment, Automotive components.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 5.871"CS = 0.144"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.