| 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. | ||||
| VALVE SUB ASS'Y | 6001- | |||
| 1 | BLOCK | 6001- | ||
| 2 | SPOOL | 6001- | ||
| 3 | PLUG | 6001- | ||
| 4 | 453-771 | SPRING | 6001- | |
| 5 | 455-180 | WASHER | 6001- | |
| 6 | 450-709 | PLUG | 6001- | |
| 7 | VALVE | 6001- | ||
| 8 | VALVE | 6001- | ||
| 9 | 453-772 | SPRING | 6001- | |
| 10 | PLUG | 6001- | ||
| 11 | 458-275 | VALVE | 6001- | |
| 12 | 453-768 | SPRING | 6001- | |
| 13 | 450-710 | PLUG | 6001- | |
| 14 | 453-559 | O-RING | 6001- | |
| 15 | O-RING | 6001- | ||
| 16 | 453-562 | O-RING | 6001- | |
| 17 | 453-693 | O-RING | 6001- | |
| 18 | O-RING | 6001- | ||
| 19 | 453-715 | O-RING | 6001- | |
| 20 | SCREW | 6001- | ||
| 21 | ORIFICE | 6001- | ||
| 22 | 453-711 | O-RING | 6001- | |
| 23 | RING | 6001- | ||
| 24 | 450-719 | PLUG | 6001- | |
| 25 | 453-694 | O-RING | 6001- |