| psc | description |
| •••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••• | |
| 5905 | Resistors |
| 5910 | Capacitors |
| 5915 | Filters & networks |
| 5920 | Fuses, arrestors, absorbers & protectors |
| 5925 | Circuit breakers |
| 5930 | Switches |
| 5935 | Connectors, electrical |
| 5940 | Lugs, terminals & terminal strips |
| 5945 | Relays & solenoids |
| 5950 | Coils & transformers |
| 5955 | Oscillators & piezoelectric crystals |
| 5960 | Electron tubes & associated hardware |
| 5961 | Semiconductor devices & associated hardware |
| 5962 | Microcircuits, electronic |
| 5963 | Electronic modules |
| 5965 | Headsets, handset microphones & speakers |
| 5970 | Electrical insulators & insulating materials |
| 5975 | Electrical hardware & supplies |
| 5977 | Electrical contact brushes & electrodes |
| 5980 | Optoelectronic devices & associated hardware |
| 5985 | Antennas, waveguides & related equipment |
| 5990 | Synchros & resolvers |
| 5995 | Cable, cord & wire assemblies: communication equipment |
| 5996 | Amplifiers |
| 5998 | Electrical & electronic assemblies, boards, cards & associated hardware |
| 5999 | Miscellaneous electrical & electronic components |
