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AMS Specification Silicone for the Military and Aerospace Industry

AMS specification Silicone materials for the military and aerospace industry are engineered for sealing applications requiring excellent low and high temperature flexibility, environmental resistance, and compliance with aerospace material standards. Silicone elastomers, also known as VMQ materials, are widely used in O-rings, gaskets, diaphragms, environmental seals, connector seals, and custom molded rubber parts installed in military aircraft, aerospace systems, defense electronics, environmental control systems, and aviation equipment. These materials are commonly specified in aerospace applications where stable sealing performance across severe temperature ranges and harsh environmental conditions is critical.


Canyon Components supplies high quality AMS specification Silicone sealing solutions for military and aerospace applications including aerospace grade VMQ compounds, environmental sealing materials, and custom molded sealing components. Our team supports aerospace O-rings, gaskets, diaphragms, and custom parts manufactured from AMS compliant Silicone compounds used throughout aviation, military, and defense systems. We also assist with material cross referencing, specification review, and aerospace sealing optimization.


Common names include: Aerospace Silicone, AMS Silicone, VMQ elastomer, military grade Silicone

Trade names include: Silicone, VMQ, aerospace grade Silicone

Canyon Components supplies high-performance silicone PVMQ and VMQ O-rings engineered for reliable sealing in medical, food-grade, and high-temperature applications.

Silicone Materials Available

This table shows many of our standard materials and links out to our O-ring store. Get in touch with us if you need a custom gasket, custom molded part, or non-standard geometry!

Features of AMS Specification Silicone Materials






  • These materials provide stable sealing performance during thermal cycling and altitude changes


  • Specialized aerospace Silicone compounds are available for low outgassing, low temperature flexibility, and environmental sealing systems


Limitations of AMS Specification Silicone Materials

  • Silicone compounds generally provide lower abrasion resistance and tear resistance compared to HNBR or FKM materials


  • These materials may not perform well in aggressive dynamic sealing systems involving severe wear conditions



  • Silicone elastomers typically provide lower tensile strength compared to many industrial elastomers


  • Repeated exposure to aggressive aerospace fluids or solvents may reduce service life depending on operating conditions


Please consult a Canyon Components Engineer about your specific application and we will use our decades of experience to formulate a solution that fits your need.

Military and Aerospace Applications for AMS Silicone Materials

AMS specification Silicone elastomers are widely used in aerospace and defense systems where flexibility, environmental resistance, and temperature stability are critical. These materials are commonly installed in military aircraft, aerospace environmental systems, avionics systems, radar equipment, connector systems, environmental enclosures, and aerospace support equipment. Material selection depends on operating temperature, altitude exposure, environmental conditions, fluid compatibility, and aerospace specification requirements.


Canyon Components supports aerospace manufacturers, military contractors, aviation maintenance operations, and defense OEMs with AMS specification Silicone O-rings, gaskets, and custom molded sealing components. Parker material information and aerospace Silicone compound references can be found in the Parker material offering guide and Parker O-Ring Handbook. 

Military Aircraft Systems

Silicone compounds are commonly used in military aircraft environmental systems, electrical systems, and environmental sealing applications.

Aerospace Environmental Control Systems

Environmental control equipment frequently utilizes aerospace grade Silicone seals exposed to temperature cycling and altitude variation.

Connector and Avionics Sealing

Aerospace electrical connectors and avionics systems commonly use Silicone sealing materials for environmental protection.

Radar and Electronics Systems

Military electronics and radar systems frequently require Silicone environmental seals with excellent ozone and weather resistance.

Low Temperature Aerospace Applications

Silicone compounds maintain flexibility at extremely low temperatures encountered in aerospace and high altitude applications.

Please consult a Canyon Components Engineer about your specific application and we will use our decades of experience to formulate a solution that fits your need.

All Other Silicone Types Available

Silicone PVMQ & VMQ O-Rings & Custom Parts | Flexible High-Performance
Silicone PVMQ & VMQ O-Rings & Custom Parts | Flexible High-Performance

Canyon Components supplies silicone O-rings and custom parts made from VMQ and PVMQ for high-performance sealing in medical, aerospace, food-grade, and industrial applications. Silicone O-rings offer excellent flexibility, temperature resistance, and biocompatibility for critical environments.

Silicone O-ring High Temperature | Heat-Resistant, Flexible Elastomer
Silicone O-ring High Temperature | Heat-Resistant, Flexible Elastomer

Canyon Components offers high temperature silicone O-rings and custom parts designed to withstand continuous exposure up to 600°F. Ideal for aerospace, automotive, food-grade, and industrial sealing where thermal stability and long-term reliability are critical.

Silicone O-Ring Low Temperature PVMQ | Flexible, Cold-Resistant O-ring
Silicone O-Ring Low Temperature PVMQ | Flexible, Cold-Resistant O-ring

Canyon Components supplies low temperature PVMQ silicone O-rings and custom parts engineered for extreme cold, maintaining sealing flexibility down to -112°F. Ideal for aerospace, cryogenic, and industrial applications requiring durable, cold-resistant silicone performance.

Silicone O-Ring Platinum Cured
Silicone O-Ring Platinum Cured

Canyon Components provides platinum cured silicone O-rings and custom parts designed for medical, pharmaceutical, food-grade, and high-purity sealing applications. These O-rings offer superior biocompatibility, thermal resistance, and low-extractable performance for critical environments.

Liquid Silicone Rubber (LSR) O-Rings | Precision Custom Rubber Parts
Liquid Silicone Rubber (LSR) O-Rings | Precision Custom Rubber Parts

Canyon Components supplies liquid silicone rubber (LSR) O-rings and custom rubber parts manufactured for precision, durability, and versatility. Ideal for medical, automotive, and consumer applications, LSR offers biocompatibility, flexibility, and high-performance sealing. Available in Kalrez®, Canrez®, Chemraz®, Parker®, FFKM, FKM, EPDM, silicone, and NBR materials. Oring, O'ring, O ring

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Silicone VMQ and PVMQ O-rings and custom parts from Canyon Components, ideal for applications requiring flexibility, biocompatibility, and thermal stability.

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