| 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 | \6\ | RETAINER | 25001- | |
| 2 | \6\ | SPOOL | 25001- | |
| 3 | 723-62-31720 | PLUG | 25001- | |
| 4 | 723-63-32590 | O-RING | 25001- | |
| 5 | 723-63-32520 | PLUG | 25001- | |
| 6 | 723-63-32530 | SPRING | 25001- | |
| 7 | 709-74-92790 | O-RING | 25001- | |
| 8 | 723-63-31860 | RING | 25001- | |
| 9 | 709-74-92821 | PLUG | 25001- | |
| 10 | \6\ | VALVE | 25001- | |
| 11 | 709-94-91751 | SPRING | 25001- | |
| 12 | 723-46-41820 | O-RING | 25001- | |
| 13 | 700-93-11330 | RING,BACK-UP | 25001- | |
| 14 | 723-63-31880 | PLUG | 25001- | |
| 15 | 07002-53634 | O-RING | 25001- | |
| 16 | 07000-52018 | O-RING | 25001- | |
| 17 | 07001-02018 | RING,BACK-UP | 25001- | |
| 18 | 07040-11007 | PLUG | 25001- | |
| 19 | 07002-51023 | O-RING | 25001- |