FSC Group 59: Electrical and Electronic Equipment Components
- 5905: Resistors
- 5910: Capacitors
- 5915: Filters and Networks
- 5920: Fuses, Arrestors, Absorbers, and Protectors
- 5925: Circuit Breakers
- 5930: Switches
- 5935: Connectors, Electrical
- 5940: Lugs, Terminals, and Terminal Strips
- 5945: Relays and Solenoids
- 5950: Coils and Transformers
- 5955: Oscillators and Piezoelectric Crystals
- 5960: Electron Tubes and Associated Hardware
- 5961: Semiconductor Devices and Associated Hardware
- 5962: Microcircuits, Electronic
- 5963: Electronic Modules
- 5965: Headsets, Handsets, Microphones and Speakers
- 5970: Electrical Insulators and Insulating Materials
- 5975: Electrical Hardware and Supplies
- 5977: Electrical Contact Brushes and Electrodes
- 5980: Optoelectronic Devices and Associated Hardware
- 5985: Antennas, Waveguides, and Related Equipment
- 5990: Synchros and Resolvers
- 5995: Communication Equipment
- 5996: Amplifiers
- 5998: Electrical and Electronic assemblies, Boards, Cards, and Associated Hardware
- 5999: Miscellaneous Electrical and Electronic Components
- 59GP: Electrical and Electronic Equipment Components -- General