Metal alignment joints for pneumatic applications on aircraft engines, not being parts of engines or machines; metal hose, pipe and tubing couplings and fittings for use in industrial products and fluid handling systems; full line of metal couplings, connectors and fittings for flexible tubing for fluid; metal fasteners, namely, screws, bolts, flashes, paw bolts, fuse pins; high strength metal structural fasteners not being building materials, namely, screws, bolts, flashes, paw bolts, fuse pins

Aircraft engine hot section and rotating parts; bearings, namely, journal, spherical, and rod end bearings; hydraulic controls for aircraft engines; metallic and non-metallic seal rings for application on aircraft and aircraft engine pneumatic and ducting systems; hydraulic and pneumatic machine components, namely, valves for fluid control, hydraulic and pneumatic pistons, hydraulic and pneumatic valve actuators, servos for fluid actuators

Fluid controls for submarines, namely, automatic control valves; capacitors; thin film devices, namely, radio frequency and microwave filters, resonators and heat sinks for use in electronic components; electromechanical and solid state switch matrices, namely, matrix switches in the nature of electric switches for radio-frequency and microwave; electronic circuit components, namely, solid state switch matrices; electromechanical, coaxial and waveguide switches; integrated microwave switching assemblies comprising electronic circuit components and electromagnetic structures for selective frequency control within the electromagnetic spectrum, namely, crystal-controlled oscillator circuits, transducers and electromechanical switches, coaxial and waveguide switches, and telecommunications power signal routing switches; high frequency electronic circuit boards and microwave integrated circuits for use in microwave frequency applications; apparatus and instruments, and components for measuring, checking, testing and monitoring of positions and telecommunication-related and navigation-related data, namely, electrical components in the nature of radio frequency and microwave filters, duplexers, combiners for connecting antennas and receivers, multi-function assemblies in the nature of electromechanical switches for routing RE signals for use in the space industry, switched filter banks, and tunable filters; integrated cosite equipment (ICE) consisting of high power amplifiers, low noise amplifiers, synthesizers, namely, electromagnetic interference filters; miniature electrical transducers, namely, microphones and receivers for use in the manufacture of hearing aids, small radios and the like; computer joysticks in the nature of micro electromechanical (MEMS) joysticks for mobile applications excluding games; headsets for hearing protection, not for medical use; headsets for consumer electronics, and military, emergency responder, security and industrial applications in the nature of cellular or mobile phones, telephones, or computers and custom assemblies therefor, namely, electric sensors; crystal oscillators; electric actuators; control systems, namely, electronic, hydraulic and pneumatic controls for operating aircraft and submarines; automatic valves; hydraulic aircraft components, namely, hydraulic actuators and hydraulic control valves used for operating aircraft

Hearing aid components and accessories, namely, volume controls, trimmers, switches, telecoils, and programming interfaces in the nature of programming accessories, and devices for sound dampening and wax minimization; metal and plastic hose, pipe and tubing couplings for medical use, namely, metal and plastic hose, pipe and tubing couplings for use in medical products and devices

Hydraulic and pneumatics components for vehicles, namely, valves for fluid control, hydraulic and pneumatic pistons, hydraulic and pneumatic valve actuators, servos for fluid actuators

Plastic hose, pipe and tubing couplings for use in industrial products and fluid handling systems, all not being building materials

Maintenance, repair, and overhaul of aircraft components, namely, hydraulic, mechanical, pneumatic, electro-mechanical, instruments, constant speed drive (CSD), fuel, avionic and rewind components

Manufacturing services for others in the field of medical hearing instrumentation, consumer electronic devices, and advanced acoustic components

Design of hydraulic and pneumatic components for others, namely, valves, pistons, actuators, fasteners, servos for fluid actuators; custom design of couplings and connectors; design and development, engineering, product and scientific research, evaluation and testing in the field of hearing instrumentation, consumer electronic devices, and advanced acoustic components; technical support services, namely, troubleshooting in the nature of diagnosing computer hardware and software problems relating to hearing and audio instrumentation, in the field of hearing instrumentation, consumer electronic devices, and advanced acoustic components