| Item | Part No. | Part Name | Qty | Serial No. |
| 451-645 | CONTROL VALVE | 6001- | ||
| THIS ASSEMBLY CONSISTS OF ALL PARTS SHOWN IN FIGS.Y1664-01A0 T0 Y1664-21A0. | ||||
| 1 | PLUG | 6001- | ||
| 2 | PLUG | 6001- | ||
| 3 | PLUG | 6001- | ||
| 4 | PLUG | 6001- | ||
| 5 | PLUG | 6001- | ||
| 6 | PLUG | 6001- | ||
| 7 | PLUG | 6001- | ||
| 8 | O-RING | 6001- | ||
| 9 | POPPET | 6001- | ||
| 10 | SPRING | 6001- | ||
| 11 | BALL | 6001- | ||
| 12 | SEAT | 6001- | ||
| 13 | O-RING | 6001- |