| Item | Part No. | Part Name | Qty | Serial No. |
| (723-18-15801) | CONTROL VALVE | 21044- | ||
| (723-18-15800) | CONTROL VALVE | 20001-21043 | ||
| THESE ASSEMBLIES CONSIST OF ALL PARTS SHOWN IN FIGS.Y1660-01A0 TO Y1660-11A0. | ||||
| 1 | 07000-12100 | O-RING | 20001- | |
| 2 | 723-11-19110 | O-RING | 20001- | |
| 3 | 723-11-19130 | O-RING | 20001- | |
| 4 | 07000-12020 | O-RING | 20001- | |
| 5 | 07000-11007 | O-RING | 20001- | |
| 6 | 07000-11008 | O-RING | 20001- | |
| 7 | 07000-11004 | O-RING | 20001- | |
| 8 | 702-21-54260 | O-RING | 20001- | |
| 9 | 723-11-19150 | RING | 20001- | |
| 10 | \6\ | ORIFICE | 20001- | |
| 11 | 723-11-19120 | BOLT | 20001- | |
| 12 | 01643-50823 | WASHER | 20001- | |
| 13 | 01010-80845 | BOLT | 21044- | |
| 13 | 01010-80830 | BOLT | 20001-21043 |
