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Buna-N Carbon Steel O-Ring: 5.228" ID, 9.736" OD, 0.167" CS

Expert Overview

Engineered for superior sealing performance, this Buna-N O-ring, housed within a durable carbon steel casing, offers exceptional resistance to petroleum-based fluids and oils.

StandardISO 9001
MaterialCarbon Steel
FinishZinc Plated
GradeN/A
Inside Diameter5.228"
Outside Diameter9.736"
Cross Section0.167"

Detailed Engineering Specifications

A proven choice for industrial professionals, this Buna-N O-ring is designed for high-performance sealing applications. Featuring an inside diameter of 5.228 inches, an outside diameter of 9.736 inches, and a precise 0.167-inch cross-section, it ensures a tight, leak-proof seal. The Buna-N (Nitrile) material provides excellent resistance to petroleum oils, hydraulic fluids, and certain solvents, making it ideal for a wide range of industrial machinery and equipment. The carbon steel casing offers robust structural integrity and enhanced durability in demanding operational conditions.

🧊 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 surfaces are clean and free of debris. 2. Carefully position the O-ring into its groove, avoiding stretching or twisting. 3. Apply a light lubricant compatible with Buna-N if necessary to facilitate seating and prevent damage during assembly.

Equivalent Standards (Cross-Reference)

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

Mechanical Properties

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

Chemical Composition

Carbon (C)0.28 - 0.55%
Manganese (Mn)0.60 - 0.90%
Phosphorus (P)0.04% max
Sulfur (S)0.05% max

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 fasteners, leading to O-ring extrusion or compression set.Follow torque specifications precisely and use appropriate sealing surfaces.
Using incompatible lubricants or cleaning agents that degrade Buna-N.Consult material compatibility charts to select appropriate lubricants and cleaning solutions.

Common Applications

  • Hydraulic systems
  • Pneumatic systems
  • Oil and gas exploration equipment
  • Automotive sealing
  • Industrial pumps and valves

⚠️ Engineering Warnings

  • Not suitable for use with strong polar solvents, ketones, or esters.
  • Avoid prolonged exposure to ozone, sunlight, or 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 Carbon Steel.

Q: What are the main applications?

A: Hydraulic systems, Pneumatic systems, Oil and gas exploration equipment, Automotive sealing, Industrial pumps and valves.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 5.228"CS = 0.167"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.