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Buna-N Industrial O-Ring | 304 Stainless Steel | 6.244" ID

Expert Overview

This robust industrial O-ring features a durable Buna-N sealing element within a 304 stainless steel housing. Engineered for exceptional resilience and longevity in challenging operational conditions.

StandardISO 9001
Material304 Stainless Steel
FinishAnodized
GradeN/A
Inside Diameter6.244"
Outside Diameter7.880"
Cross Section0.259"

Detailed Engineering Specifications

Engineered for reliability and performance, this industrial O-ring boasts a precise Inside Diameter of 6.244 inches, an Outside Diameter of 7.880 inches, and a 0.259-inch Cross Section. The Buna-N material offers excellent resistance to oils, fuels, and hydraulic fluids, making it suitable for a wide array of industrial applications. The 304 stainless steel housing provides superior corrosion resistance and structural integrity, ensuring consistent sealing performance under pressure and fluctuating temperatures. This combination of materials guarantees a long service life and dependable operation in demanding environments.

🧊 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 grooves are clean and free of debris. 2. Carefully install the O-ring, avoiding any stretching or twisting. 3. Apply a light lubricant compatible with Buna-N if necessary for easier 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 the gland, which can crush the O-ring.Follow manufacturer's recommended gland compression limits.
Using incompatible lubricants or cleaning agents.Consult compatibility charts for Buna-N and 304 stainless steel.

Common Applications

  • Hydraulic systems
  • Pneumatic equipment
  • Fluid power assemblies
  • Chemical processing
  • Automotive components

⚠️ Engineering Warnings

  • Not suitable for high-temperature steam or strong oxidizing agents.
  • Avoid exposure to ozone, UV, and weathering, which can degrade 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 304 Stainless Steel.

Q: What are the main applications?

A: Hydraulic systems, Pneumatic equipment, Fluid power assemblies, Chemical processing, Automotive components.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 6.244"CS = 0.259"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.