| PSC | Description |
|---|---|
| 5305 | Screws |
| 5306 | Bolts |
| 5307 | Studs |
| 5310 | Nuts & washers |
| 5315 | Nails keys & pins |
| 5320 | Rivets |
| 5325 | Fastening devices |
| 5330 | Packing & gasket materials |
| 5335 | Metal screening |
| 5340 | Misc hardware |
| 5345 | Disks & stones abrasive |
| 5350 | Abrasive materials |
| 5355 | Knobs & pointers |
| 5360 | Coil,flat & wire springs |
| 5365 | Rings shims & spacers |