Military-Grade Components Engineered for Extreme Environments
Mission Critical castings for Defense and Naval applications
Johnson Centrifugal Technology manufactures military-grade components engineered for extreme environments across defense and naval applications. Our centrifugally cast parts support submarine systems, naval vessels, and weapons platforms, delivering pressure resistance, corrosion protection, and reliability in harsh conditions including saltwater, high temperatures, and high-wear environments. From subsea housings to critical rotating components, our precision castings ensure performance and durability for mission-critical defense systems.
Protecting our troops from harm’s way and ensuring they get home safely is a firm belief for the many employees that work here at Johnson Centrifugal. JCT is a trusted supplier of mission-critical military parts that meet the highest standards of quality and reliability. Our passion is displayed through the quality and precision of our specialty materials. The excellence we work towards ensures desired performance whether our parts are miles above or below the sea, and everywhere in between. Saltwater, high temperature, excessive wear, or corrosive environments pose no barrier for the unique array of materials we offer.
Johnson Centrifugal has worked extensively with multiple branches of our armed forces. Our mission-critical military parts are designed to withstand harsh environments and perform under extreme conditions. Our parts can be found on helicopters, carriers, destroyers, submarines and other military applications. Whether you need raw material or a finished per print component, Johnson Centrifugal has the expertise to bring our troops home safely.
Products
- Military-grade components: High-performance cast components designed to meet stringent military standards for durability, reliability, and performance in extreme environments.
- Naval system components: Precision cast parts used in naval vessels and marine systems, engineered for corrosion resistance and long-term operation in saltwater conditions.
- Submarine components: Specialized components built to perform under high-pressure subsea environments, ensuring structural integrity and operational reliability.
- Pressure-rated military parts / Pressure housings: Engineered components designed to withstand extreme internal and external pressures in defense and subsea applications.
- Weapons systems components: Precision castings used in defense systems requiring high strength, reliability, and consistent performance under demanding operational conditions.
- DoD program components: Components manufactured to meet the specifications and quality standards required for Department of Defense programs and applications.
- Underwater vehicle components / Underwater drone components: Durable cast components designed for unmanned and manned underwater vehicles operating in high-pressure, corrosive environments.
- Subsea housings: Protective housings engineered to shield critical equipment in subsea environments, ensuring durability and resistance to pressure and corrosion.
- Marine-grade parts: Corrosion-resistant components specifically designed for long-term use in marine and saltwater environments.
Material Examples:
- QQ-C-390 (Bronze)
- QQ-N-288 (Monel)
- MIL-C-15345 (Bearing Bronze)
- MIL-A-21180 (Aluminum)
- Cast 6061 T6 Aluminum





