| ICS | Field |
|---|---|
| 23.100.01 | Fluid power systems in general |
| 23.100.10 | Pumps and motors |
| 23.100.20 | Cylinders |
| 23.100.40 | Piping and couplings |
| 23.100.50 |
Control components Including valves |
| 23.100.60 |
Filters, seals and contamination of fluids Hydraulic fluids, see 75.120 |
| 23.100.99 | Other fluid power system components |