| Item | Part No. | Part Name | Qty | Serial No. |
| (723-48-27503) | CONTROL VALVE | 21050- | ||
| (723-48-27502) | CONTROL VALVE | 20828-21049 | ||
| (723-48-27501) | CONTROL VALVE | 20500-20827 | ||
| (723-48-27500) | CONTROL VALVE | 20001-20499 | ||
| THIS ASSEMBLY CONSISTS OF ALL PARTS SHOWN IN FIGS.Y1664-01A0 T0 Y1664-23A0. | ||||
| 723-40-87400 | VALVE ASS'Y | 20001- | ||
| 1 | 723-40-87110 | BODY | 20001- | |
| 2 | 723-40-87440 | SPOOL | 20001- | |
| 3 | 723-40-87260 | SPRING | 20001- | |
| 4 | \6\ | SLEEVE | 20001- | |
| 5 | \6\ | SEAL | 20001- | |
| 6 | \6\ | CASE | 20001- | |
| 7 | 723-40-87250 | RETAINER | 20001- | |
| 8 | 723-40-87170 | O-RING | 20001- | |
| 9 | 07000-13035 | O-RING | 20001- | |
| 10 | 07000-11007 | O-RING | 20001- | |
| 11 | \6\ | PLUG | 20001- | |
| 12 | 01252-60830 | BOLT | 20001- | |
| 13 | 01252-61075 | BOLT | 20001- | |
| 14 | 07000-13038 | O-RING | 20001- | |
| 15 | 07000-11010 | O-RING | 20001- |