| Item | Part No. | Part Name | Qty | Serial No. |
| (723-64-22500) | CONTROL VALVE | 25001- | ||
| THIS ASSEMBLY CONSISTS OF ALL PARTS SHOWN IN FIGS.Y1664-21A0 T0 Y1664-30A0. | ||||
| 1 | 709-74-91860 | PLUG | 25001- | |
| 2 | 07002-52434 | O-RING | 25001- | |
| 3 | 07040-11409 | PLUG | 25001- | |
| 4 | 07002-51423 | O-RING | 25001- | |
| 5 | 708-21-12541 | PLUG | 25001- | |
| 6 | \6\ | PLUG | 25001- | |
| 7 | 07040-13316 | PLUG | 25001- | |
| 8 | 07002-53334 | O-RING | 25001- | |
| 9 | \6\ | SPOOL | 25001- | |
| 10 | \6\ | PISTON | 25001- | |
| 11 | 723-63-32570 | PLUG | 25001- | |
| 12 | 07002-54234 | O-RING | 25001- | |
| 13 | 07000-53032 | O-RING | 25001- | |
| 14 | 07001-03032 | RING | 25001- | |
| 15 | 723-63-32560 | SPRING | 25001- | |
| 16 | 723-63-31540 | RETAINER | 25001- | |
| 17 | 723-63-31550 | PLUG | 25001- | |
| 18 | 07002-54234 | O-RING | 25001- |