AS568 Standard O-Rings: Precision Sealing Solutions for Industrial Excellence

High-performance elastomeric seals manufactured to SAE AS568 standards, ensuring universal compatibility and reliable performance in critical environments.

  • Full Range of Dash Sizes (-001 to -932)
  • Premium Materials: NBR, FKM, EPDM, Silicone, PTFE
  • Compliance: ISO 3601, FDA, RoHS, REACH
AS568 Standard O-Rings for Industrial Sealing

Understanding AS568 Standard Dimensions & Tolerances

The AS568 standard, developed by the Society of Automotive Engineers (SAE), provides a systematic method for specifying O-ring dimensions. It defines the Inside Diameter (ID) and Cross Section (CS) for 394 standard O-ring sizes, identified by unique dash numbers.

Premium Elastomer Materials for Every Operating Condition

MaterialTemp RangeKey PropertiesCommon Applications
Nitrile (NBR)-40°C to 120°COil & Fuel ResistanceGeneral Industrial, Hydraulics
Viton™ (FKM)-20°C to 200°CChemical & Heat ResistanceAerospace, Chemical Processing
EPDM-50°C to 150°CWeather & Steam ResistanceAutomotive, Water Systems
Silicone (VMQ)-60°C to 225°CHigh/Low Temp StabilityMedical, Food Grade

Your Strategic Partner in Industrial Sealing Technology

Advanced Manufacturing

Utilizing state-of-art compression molding and injection molding techniques.

Quality Assurance

100% visual inspection and dimensional verification to ISO 9001 standards.

Frequently Asked Questions about AS568 O-Rings

What does AS568 stand for in O-rings?

AS568 refers to the Aerospace Size Standard for O-rings, published by the Society of Automotive Engineers (SAE). It defines the standard dimensions and tolerances for O-rings used across various industries.

How do I choose the right material?

Material selection depends on operating temperature, chemical compatibility, pressure, and regulatory requirements. Our engineering team can assist you in choosing the optimal elastomer.