
Infinite Size O-Ring
- Unlimited size capabilities
- Reduced lead times
- Cost-effective tooling
ISO 17025 Lab
ISO 9001:2015 Accredited Lab
Comprehensive selection of 20mm O-rings in nitrile, silicone, and rubber materials. Engineered for diverse sealing applications across automotive, oil & gas, and industrial sectors with superior chemical resistance and temperature performance.







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The P 20 O-ring refers to a specific sizing standard. DSC carries multiple size standards for 20mm O-rings including AS568, BS 4518, JIS B2401, SMS 1586, METRIC, and JASO F404 standards. Contact our technical team to identify the exact dimensions for your specific P 20 requirement.
Talk to our experts for custom solutions and tailored guidance.

Critical sealing solutions for downhole equipment, valves, and high-pressure systems in harsh environments.

Reliable sealing for engines, transmissions, hydraulic systems, and various automotive components.

Precision sealing solutions meeting stringent requirements for aircraft systems and space applications.

Robust sealing for excavators, construction machinery, and agricultural equipment hydraulic systems.
Talk to our experts for custom solutions and tailored guidance.
Custom material development and testing capabilities ensure optimal performance for your specific application requirements.
Skilled leadership and technical staff leverage extensive expertise in precision molded rubber industry solutions.
Strategic location near shipping lanes enables exceptional efficiency and value with rapid nationwide distribution.
Connect with our sealing specialists for technical consultation and custom material recommendations tailored to your application.
For immediate assistance, feel free to give us a direct call at +1 313-887-4695.
For immediate assistance, feel free to give us a direct call at +1 313-887-4695.