ESCO Technologies Inc. provides engineered filtration and fluid control products, and integrated propulsion systems. Its Aerospace & Defense segment provides filtration products, such as hydraulic filter elements and fluid control devices used in commercial aerospace; filter mechanisms used in micro-propulsion devices for satellites; custom designed filters for manned aircraft and submarines; elastomeric-based signature reduction solutions for U.S. naval vessels; and mission-critical bushings, pins, sleeves, and precision-tolerance machined components for landing gear, rotor heads, engine mounts, flight controls, and actuation systems for aerospace and defense industries.