| 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. | ||||
| \6\ | BODY SUB ASS'Y | 20500- | ||
| \6\ | BODY SUB ASS'Y | 20001-20499 | ||
| 1 | \6\ | BLOCK,VALVE | 20001- | |
| 2 | \6\ | SPOOL | 20001- | |
| 3 | 723-46-15390 | PLUG | 20001- | |
| 4 | 723-46-15370 | RETAINER | 20001- | |
| 5 | 723-46-15380 | RETAINER | 20001- | |
| 6 | 723-46-14190 | SPRING | 20001- | |
| 7 | 723-46-17840 | CASE | 20001- | |
| 8 | 07430-71380 | O-RING | 20001- | |
| 9 | 01252-60820 | BOLT | 20001- | |
| 10 | 723-46-25610 | SPOOL | 20001- | |
| 11 | 723-46-15330 | BOLT | 20001- | |
| 12 | 723-46-15340 | PISTON | 20001- | |
| 13 | 723-46-15350 | SEAL | 20001- | |
| 14 | 700-20-71260 | SEAL | 20001- | |
| 15 | 723-46-14180 | SPRING | 20001- | |
| 16 | 723-46-17850 | CASE | 20001- | |
| 17 | 723-46-17860 | CASE | 20001- | |
| 18 | 723-11-19960 | O-RING | 20001- | |
| 19 | 706-73-71450 | PLUG | 20001- | |
| 20 | 07002-11423 | O-RING | 20001- | |
| 21 | 07430-71380 | O-RING | 20001- | |
| 22 | 01252-60845 | BOLT | 20001- | |
| 23 | \6\ | PLUG | 20001- | |
| 24 | 723-46-17530 | O-RING | 20001- | |
| 25 | 723-11-19130 | O-RING | 20001- | |
| 26 | 723-46-17520 | RING,BACK-UP | 20001- | |
| 27 | 07000-13032 | O-RING | 20001- | |
| 28 | 723-46-17510 | O-RING | 20001- | |
| 29 | 07000-12016 | O-RING | 20001- | |
| 30 | 702-16-53920 | O-RING | 20001- |