| Item | Part No. | Part Name | Qty | Serial No. |
| (723-13-12201) | CONTROL VALVE | 50501- | ||
| THIS ASSEMBLY CONSISTS OF ALL PARTS SHOWN IN FIGS.Y1663-01A0 T0 Y1663-06A0. | ||||
| 1 | \6\ | SPOOL | 50501- | |
| 2 | \6\ | SPOOL | 50501- | |
| 3 | \6\ | SPOOL | 50501- | |
| 4 | \6\ | PLUG | 50501- | |
| 5 | \6\ | PLUG | 50501- | |
| 6 | 07002-10823 | O-RING | 50501- | |
| 7 | 723-11-17353 | RETAINER | 50501- | |
| 8 | 723-11-17330 | RETAINER | 50501- | |
| 9 | 723-11-28740 | SPRING | 50501- | |
| 10 | 723-11-17361 | BOLT | 50501- | |
| 11 | 723-11-27380 | RETAINER | 50501- | |
| 12 | 723-11-28361 | SPRING | 50501- | |
| 13 | 723-11-27551 | BOLT | 50501- | |
| 14 | 723-11-28750 | SPRING | 50501- | |
| 15 | 723-11-27370 | RETAINER | 50501- | |
| 16 | 723-11-28730 | SPRING | 50501- | |
| 17 | 723-11-28380 | SPRING | 50501- | |
| 18 | 723-11-28720 | SPRING | 50501- | |
| 19 | 723-11-27390 | RETAINER | 50501- | |
| 20 | 723-11-17370 | CASE,SPRING | 50501- | |
| 21 | 723-11-27510 | PLATE | 50501- | |
| 22 | 723-11-27520 | PLATE | 50501- | |
| 23 | 722-12-19120 | O-RING | 50501- | |
| 24 | 01252-60640 | BOLT | 50501- | |
| 25 | 01252-60650 | BOLT | 50501- | |
| 26 | 700-22-11910 | BOLT | 50501- |