| Item | Part No. | Part Name | Qty | Serial No. |
| (723-58-19500) | CONTROL VALVE | 1601- | ||
| THESE ASSEMBLIES CONSIST OF ALL PARTS SHOWN IN FIGS.Y1664-21A0 TO Y1664-33A0. | ||||
| \6\ | BODY GROUP | 1601- | ||
| 1 | 723-56-31610 | VALVE | 1601- | |
| 2 | 723-56-31620 | SPRING | 1601- | |
| 3 | 723-56-31630 | PLUG | 1601- | |
| 4 | 723-56-31640 | PLUG | 1601- | |
| 5 | 07002-11623 | O-RING | 1601- | |
| 6 | 07000-11008 | O-RING | 1601- |