| Item | Part No. | Part Name | Qty | Serial No. |
| (723-19-12201) | CONTROL VALVE | 21044- | ||
| (723-19-12200) | CONTROL VALVE | 20001-21043 | ||
| THESE ASSEMBLIES CONSIST OF ALL PARTS SHOWN IN FIGS.Y1662-01A0 TO Y1662-12A0. | ||||
| 1 | 723-10-12400 | VALVE ASS'Y,RELIEF | 20001- | |
| 2 | 700-80-64220 | RING | 20001- | |
| 3 | 700-22-11410 | O-RING | 20001- | |
| 4 | 709-25-11390 | O-RING | 20001- | |
| 5 | 723-11-29361 | PLUG | 21044- | |
| 6 | 07000-13024 | O-RING | 21044- | |
| 7 | 700-22-11410 | O-RING | 21044- | |
| 8 | 700-80-64220 | RING | 21044- |
