| Code | Description | TFR Code | TFR Description | NCA Code | NCA Description |
|---|---|---|---|---|---|
| PNA | Cables Capacitors Connectors Grommets Insulator Meters Moving Iron Coil Relays Resistors Semiconductors Suppressers Terminals Inductors Wire | 366 | Building and Engineering Equipment | 7382 | Materials-electrical |
| PNB | Batteries & Battery Chargers | 366 | Building and Engineering Equipment | 7382 | Materials-electrical |
| PNX | Electronic Equipment Repairs & Maintenance | 367 | Building and Engineering Contracts | 7385 | Building & Engineering Equipment Maintenance/Repairs |