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

Titanium Grade 5 Buna-N O-Ring | 1.256" ID x 0.516" OD x 0.131" CS

Expert Overview

This industrial O-ring, crafted from robust Titanium Grade 5 and Buna-N, ensures exceptional sealing in demanding environments. Its precisely engineered dimensions provide reliable performance.

StandardDIN 933
MaterialTitanium Grade 5
FinishPassivated
GradeN/A
Inside Diameter1.256"
Outside Diameter0.516"
Cross Section0.131"

Detailed Engineering Specifications

A high-performance industrial component, this O-ring features an Inside Diameter of 1.256 inches, an Outside Diameter of 0.516 inches, and a Cross Section of 0.131 inches. The fusion of Buna-N's excellent oil and fuel resistance with Titanium Grade 5's unparalleled strength, corrosion resistance, and biocompatibility makes this seal ideal for aerospace, medical, and high-pressure hydraulic systems where extreme temperature and chemical exposure are prevalent. Its robust construction guarantees long-term integrity and leak-proof operation under rigorous 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:N/A

Installation Procedure

1. Inspect the sealing groove and mating surfaces for cleanliness and absence of debris. 2. Carefully install the O-ring into the groove, ensuring it is not twisted or overstretched. 3. Apply a thin layer of compatible lubricant if recommended for the application to ease installation and prevent damage.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardDIN 933

Mechanical Properties

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

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 / ExposedModerate
Marine / SaltwaterNot Recommended
Chemical / AcidicNot Recommended

Common Mistakes & How to Avoid Them

❌ Mistake✅ Correct Approach
Overstretching the O-ring during installation.Gently work the O-ring into the groove without excessive pulling or stretching to maintain its original dimensions and sealing capability.
Installing into a dirty or damaged groove.Thoroughly clean and inspect the groove for any nicks, burrs, or debris that could compromise the seal or damage the O-ring.

Common Applications

  • Aerospace fluid systems
  • High-pressure hydraulic applications
  • Medical device seals

⚠️ Engineering Warnings

  • Ensure compatibility of the Buna-N material with the specific media and operating temperatures.
  • Avoid using sharp tools during installation that could nick or cut the O-ring.

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 Titanium Grade 5.

Q: What are the main applications?

A: Aerospace fluid systems, High-pressure hydraulic applications, Medical device seals.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 1.256"CS = 0.131"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.