| Item | Part No. | Part Name | Qty | Serial No. |
| (723-49-27701) | CONTROL VALVE | K50016-K50499 | ||
| (723-49-27501) | CONTROL VALVE | K50001-K50015 | ||
| THESE ASSEMBLIES CONSIST OF ALL PARTS SHOWN IN FIGS.Y1666-01A0 TO Y1666-25A0. | ||||
| 1 | 723-40-56800 | VALVE ASSEMBLY, UNLOAD | K50001-K50499 | |
| 2 | 07000-12014 | O-RING | K50001-K50499 | |
| 3 | 723-40-56350 | RING | K50001-K50499 | |
| 4 | 07000-12016 | O-RING | K50001-K50499 | |
| 5 | 723-60-22230 | RING, BACK-UP | K50001-K50499 | |
| 6 | 07002-12434 | O-RING | K50001-K50499 |