- Antennas, receiving: automobile, home, and portable
- Antennas, satellite: home type
- Attenuators
- Commutators, electronic
- Cores, magnetic
- Cryogenic cooling devices (e.g., cryostats) for infrared detectors and masers
- Crystals and crystal assemblies, radio
- Delay lines
- Harness assemblies for electronic use: wire and cable
- Headphones, radio
- Heads, recording for speech and musical equipment
- Hermetic seals for electronic equipment
- Impedance conversion units, high frequency
- Liquid crystal displays
- Loads, electronic
- Microwave components
- Oscillators, except laboratory type
- Parametric amplifiers
- Passive repeaters
- Phonograph needle cartridges
- Phonograph needles
- Piezoelectric crystals
- Power supplies, static, and variable frequency
- Pulse forming networks
- Quartz crystals for electronic application
- Recording and playback heads, magnetic
- Recording heads for speech and musical equipment
- Rectifiers, electronic: except solid-state
- Resonant reed devices, electronic
- Rheostats, electronic
- Sockets, electronic tube
- Solenoids for electronic applications
- Static power supply converters for electronic applications
- Step positioners for transmitting equipment
- Styli, phonograph record cutting
- Switches, electronic
- Switches, stepping
- Transducers for use in measuring and testing instruments and equipments
- Tube retainers, electronic
- Tube spacers, mica
- Tube transformer assemblies used in firing electronic tubes
- Video triggers, except remote control television devices
- Voice controls
- Waveguides and fittings
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