| Item | Part No. | Part Name | Qty | Serial No. |
| 451-628 | CONTROL VALVE | 6001- | ||
| THIS ASSEMBLY CONSISTS OF ALL PARTS SHOWN IN FIGS.Y1660-01A0 T0 Y1660-17A0. | ||||
| 1 | 458-278 | VALVE | 6001- | |
| 2 | 453-792 | SPRING | 6001- | |
| 3 | 450-700 | PLUG | 6001- | |
| 4 | 453-560 | O-RING | 6001- | |
| 5 | 458-276 | VALVE | 6001- | |
| 6 | 453-788 | SPRING | 6001- | |
| 7 | 450-719 | PLUG | 6001- | |
| 8 | 453-694 | O-RING | 6001- | |
| 9 | 450-721 | PLUG | 6001- | |
| 10 | 450-069 | RING,BACK-UP | 6001- | |
| 11 | 456-151 | SEAT | 6001- | |
| 12 | 453-605 | O-RING | 6001- | |
| 13 | 458-279 | VALVE | 6001- | |
| 14 | 450-924 | RETAINER | 6001- | |
| 15 | 453-793 | SPRING | 6001- | |
| 16 | 450-718 | PLUG | 6001- | |
| 17 | 450-067 | RING,BACK-UP | 6001- | |
| 18 | 450-234 | BLOCK | 6001- | |
| 19 | 453-600 | O-RING | 6001- | |
| 20 | 456-596 | BOLT | 6001- | |
| 21 | 450-233 | BLOCK | 6001- | |
| 22 | 453-525 | O-RING | 6001- | |
| 23 | 453-518 | O-RING | 6001- | |
| 24 | 453-696 | O-RING | 6001- | |
| 25 | 450-720 | PLUG | 6001- | |
| 26 | 453-598 | O-RING | 6001- | |
| 27 | 453-697 | O-RING | 6001- |